Submarines – Regia Marina Italiana

To review the history and operational life of each boat, please select the link in the ‘Boat’ columns. At this time, not all boats have a dedicated article.

All Submarines

Boat	Pennant	Class	Type	Shipyard	Laid Down	Launched	Commissioned	Fate	Date
R. Smg. Macallè		Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	3/1/1936	10/29/1936	3/1/1937	Scuttled after wrecked on Red Sea reef	6/15/1940
R. Smg. Adua	AD	Adua	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/1/1936	9/13/1936	11/14/1936	Sunk H.M.S. Gurkha & Legion	9/30/1941
R. Smg. Alagi	AL	Adua	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/19/1936	11/15/1936	3/6/1937	Scuttled	9/9/1943
R. Smg. Aradam	AR	Adua	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/14/1936	10/18/1936	1/16/1937	Scuttled (later refloated & recommissioned)	9/9/1943
R. Smg. Ascianghi	AS	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/20/1937	7/5/1937	3/25/1938	Sunk by H.M.S. Laforey & Eclipse	7/23/1943
R. Smg. Axum	AX	Adua	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/8/1936	9/27/1936	12/2/1936	Scuttled	12/28/1943
R. Smg. Beilul	BU	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	7/2/1937	5/22/1938	9/14/1938	Scuttled after R.A.F. bombardment	9/9/1943
R. Smg. Dagabur	DA	Adua	Coastal	Tosi, Taranto	4/16/1936	9/22/1936	4/9/1937	Sunk the destroyer H.M.S. Wolverine	8/12/1942
R. Smg. Dessiè	DE	Adua	Coastal	Tosi, Taranto	4/20/1936	11/22/1936	4/14/1937	Sunk by the destroyers H.M.A.S. Quiberon and H.M.S. Quentin	11/28/1942
R. Smg. Durbo	DU	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	3/8/1937	3/6/1938	7/1/1938	Scuttled after hits by H.M.S. Firedrake, H.M.S. Wrestler & Aircraft	10/18/1940
R. Smg. Gondar	GO	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	2/1/1936	9/13/1936	11/14/1936	Scuttled after hits by H.M.A.S. Stuart & Aircraft	9/30/1940
R. Smg. Lafolè	LF	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	6/30/1937	4/10/1938	8/13/1938	Sunk by the destroyers H.M.S. Hotspur, Gallant & Griffin	10/20/1940
R. Smg. Neghelli	NG	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	2/25/1937	11/7/1937	2/22/1938	Probably sunk by H.M.S. Greyhound	1/19/1941
R. Smg. Scirè	SR	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/30/1937	1/6/1938	4/25/1938	Sunk by H.M. Trawler Islay	8/10/1942
R. Smg. Tembien	TE	Adua	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	2/6/1937	2/6/1938	7/1/1938	Sunk by H.M.S. Hermione	8/2/1941
R. Smg. Uarsciek	UR	Adua	Coastal	Tosi, Taranto	12/2/1936	9/19/1937	12/4/1937	Scuttled after hits by H.M.S. Petard & Greek Queen Olga	12/15/1942
R. Smg. Uebi Scebeli	US	Adua	Coastal	Tosi, Taranto	1/12/1937	10/3/1937	12/21/1937	Sunk by Aircraft	6/29/1940
R. Smg. Ammiraglio Cagni	CA	Ammiragli	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/16/1939	7/20/1940	8/21/1941	Stricken	2/1/1948
R. Smg. Ammiraglio Caracciolo	CC	Ammiragli	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/16/1939	10/16/1940	9/15/1941	Sunk H.M.S. Farndale	12/11/1941
R. Smg. Ammiraglio Millo	MG	Ammiragli	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/16/1939	8/31/1940	7/15/1941	Sunk by the submarine H.M.S. Ultimatum	5/13/1943
R. Smg. Ammiraglio Saint Bon	SB	Ammiragli	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/16/1939	6/6/1940	3/12/1941	Sunk the submarine H.M.S. Upholder	1/5/1942
R. Smg. Argo	AO	Argo	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	12/9/1935	11/24/1936	8/31/1937	Scuttled	9/10/1943
R. Smg. Velella	VL	Argo	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	12/9/1935	12/18/1936	8/31/1937	Sunk by the submarine H.M.S. Shakespeare	9/7/1943
R. Smg. Argonauta	AU	Argonauta	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/9/1929	1/19/1931	1/14/1932	Sunk by Aircraft	6/29/1940
R. Smg. Serpente	AU	Argonauta	Coastal	Tosi, Taranto	4/23/1930	2/28/1932	11/12/1932	Scuttled	9/12/1943
R. Smg. Fisalia	FS	Argonauta	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/20/1929	5/2/1931	6/4/1932	Sunk by H.M.S. Hyacinth	9/28/1941
R. Smg. Jalea	IA	Argonauta	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/20/1930	6/15/1932	3/16/1933	Stricken	2/1/1948
R. Smg. Jantina	IN	Argonauta	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/20/1930	5/16/1932	3/1/1933	Sunk by the submarine H.M.S. Torbay	7/5/1941
R. Smg. Medusa	MU	Argonauta	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/30/1929	12/10/1931	10/8/1932	Sunk by the submarine H.M.S. Thorn	1/30/1942
R. Smg. Salpa	SA	Argonauta	Coastal	Tosi, Taranto	4/23/1930	5/8/1932	12/12/1932	Sunk by the submarine H.M.S. Triumph	6/27/1941
R. Smg. Balilla	BL	Balilla	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/12/1925	2/20/1927	7/20/1928	Stricken	4/28/1941
R. Smg. Millelire	MI	Balilla	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	10/20/1925	9/19/1927	8/11/1928	Stricken	4/1/1943
R. Smg. Antonio Sciesa	SC	Balilla	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	10/20/1925	8/18/1928	4/12/1929	Scuttled after hits by U.S. Army Aircraft	11/6/1942
R. Smg. Toti	TO	Balilla	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	1/26/2025	2/20/1927	9/20/1928	Stricken	4/2/1943
R. Smg. Fratelli Bandiera	BA	Bandiera	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/11/1928	7/7/1929	6/2/1930	Stricken	2/1/1948
R. Smg. Ciro Menotti	ME	Bandiera	Medium Range	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	5/12/1928	7/29/1929	7/29/1930	Stricken	1/1/1948
R. Smg. Luciano Manara	MR	Bandiera	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/18/1928	10/5/1929	9/9/1930	Stricken	2/1/1948
R. Smg. Santorre di Santarosa	SN	Bandiera	Medium Range	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	5/1/1928	10/22/1929	7/29/1930	Scuttled after having ran aground and later hit by H.M. MTB-260	1/20/1943
R. Smg. Marcantonio Bragadin	BG	Bragadin	Minelaying	Tosi, Taranto	2/2/1927	7/21/1929	11/16/1931	Stricken	2/1/1948
R. Smg. Filippo Corridoni	CR	Bragadin	Minelaying	Tosi, Taranto	7/4/1927	3/30/1930	11/17/1931	Stricken	2/1/1948
R. Smg. Archimede	AH	Brin	Oceanic	Tosi, Taranto	12/23/1937	3/5/1939	4/18/1939	Sunk by VP-83	4/15/1943
R. Smg. Brin	BR	Brin	Oceanic	Tosi, Taranto	12/3/1936	4/3/1938	6/30/1938	Stricken	1/1/1948
R. Smg. Galvani	GA	Brin	Oceanic	Tosi, Taranto	12/3/1936	5/22/1938	7/29/1938	Sunk by H.M.S. Falmouth	6/24/1940
R. Smg. Guglielmotti	GI	Brin	Oceanic	Tosi, Taranto	12/3/1936	9/11/1938	10/12/1938	Sunk by the British submarine H.M.S. Unbeaten	3/17/1942
R. Smg. Torricelli	TL	Brin	Oceanic	Tosi, Taranto	12/23/1937	3/26/1939	5/7/1939	Scuttled after an engagement with H.M.S. Kandahar, Kingston & Shoreham	6/23/1940
CA 1		CA I	Submarine – Midget	Caproni Taliedo			4/15/1938	Scuttled	9/9/1943
CA 2		CA I	Submarine – Midget	Caproni Taliedo				Captured	9/9/1943
CA 3		CA I	Submarine – Midget	Caproni Taliedo				Stricken	9/9/1943
CA 4		CA I	Submarine – Midget	Caproni Taliedo				Stricken	9/9/1943
R. Smg. Pietro Calvi	CV	Calvi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	7/20/1932	3/3/1935	10/16/1935	Scuttled after hits by H.M.S. Lulworth	7/15/1942
R. Smg. Giuseppe Finzi	FZ	Calvi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	8/1/1932	6/29/1935	1/8/1936	Transferred to Germany and later scuttled	9/8/1943
R. Smg. Enrico Tazzoli	TZ	Calvi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	9/16/1932	10/13/1935	4/18/1936	Sunk (Uknown)	5/18/1943
CB 1		CB	Coastal	Caproni Taliedo			1/27/1941	Transferred	9/9/1943
CB 2		CB	Coastal	Caproni Taliedo			1/27/1941	Transferred	9/9/1943
CB 3		CB	Coastal	Caproni Taliedo			5/10/1941	Transferred	9/9/1943
CB 4		CB	Coastal	Caproni Taliedo			5/10/1941	Transferred	9/9/1943
CB 5		CB	Coastal	Caproni Taliedo			5/10/1941	Sunk	6/13/1942
CB 6		CB	Coastal	Caproni Taliedo			5/10/1941	Transferred	9/9/1943
CB 7		CB	Coastal	Caproni Taliedo			8/1/1943	Stricken
CB 8		CB	Coastal	Caproni Taliedo			8/1/1943	Stricken
CB 9		CB	Coastal	Caproni Taliedo			8/1/1943	Stricken
CB 10		CB	Coastal	Caproni Taliedo			8/1/1943	Stricken
CB 11		CB	Coastal	Caproni Taliedo			8/24/1943	Scuttled	9/11/1943
CB 12		CB	Coastal	Caproni Taliedo			8/24/1943	Scuttled	9/11/1943
CB 13		CB	Coastal	Caproni Taliedo				Sunk	3/23/1945
CB 14		CB	Coastal	Caproni Taliedo				Sunk
CB 15		CB	Coastal	Caproni Taliedo				Sunk
CB 16		CB	Coastal	Caproni Taliedo				Surrendered
CB 17		CB	Coastal	Caproni Taliedo				Sunk	4/3/1945
CB 18		CB	Coastal	Caproni Taliedo				Sunk	3/31/1945
CB 19		CB	Coastal	Caproni Taliedo				Captured
CB 20		CB	Coastal	Caproni Taliedo				Captured
CB 21		CB	Coastal	Caproni Taliedo				Sunk	4/29/1945
CB 22		CB	Coastal	Caproni Taliedo				Captured
R. Smg. Ettore Fieramosca	FM	Fieramosca	Oceanic	Tosi, Taranto	7/17/1926	6/14/1929	12/5/1931	Stricken	3/1/1943
R. Smg. Atropo	AT	Foca	Minelaying	Tosi, Taranto	7/10/1937	11/20/1938	2/14/1939	Stricken	2/1/1948
R. Smg. Foca	FO	Foca	Minelaying	Tosi, Taranto	1/15/1936	6/27/1937	11/6/1937	Sunk probably due to the explosion of a mine	10/12/1940
R. Smg. Zoea	ZE	Foca	Minelaying	Tosi, Taranto	3/3/1936	12/5/1937	2/12/1938	Stricken	9/9/1943
FR 110		FR 111	Medium Range	Arsenal de Brest (France)	1/1/1924	3/16/1926	1/20/1943	Sunk	2/28/1943
R. Smg. Galileo Ferraris	FE	Galilei	Medium Range	Tosi, Taranto	10/15/1931	8/11/1934	1/31/1935	Scuttled after hits by H.M.S. Lamerton & Aircraft	10/25/1941
Galilei	GL	Galilei	Medium Range	Tosi, Taranto	10/15/1931	3/19/1934	10/16/1934	Captured by H.M.S. Moonstone	6/19/1940
R. Smg. Glauco	GU	Glauco	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/10/1933	1/5/1935	9/20/1935	Scuttled after hits by H.M.S Wishart	6/27/1941
R. Smg. Otaria	OA	Glauco	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/17/1933	3/20/1935	10/20/1935	Stricken	2/1/1948
H1		Holland	Coastal	Electric Boat Company, (Canada)	1/1/1916	1/1/1916		Stricken	2/1/1948
H2		Holland	Coastal	Electric Boat Company, (Canada)	1/1/1916	1/1/1916		Stricken	2/1/1948
H4		Holland	Coastal	Electric Boat Company, (Canada)	1/1/1916	1/1/1917		Stricken	5/1/1937
H6		Holland	Coastal	Electric Boat Company, (Canada)	1/1/1916	1/1/1916		Captuted by the Germans	9/9/1943
H8		Holland	Coastal	Electric Boat Company, (Canada)	1/1/1916	1/1/1916		Sunk during an arial bombardment	6/13/1943
R. Smg. Alpino Bagnolini	BI	Liuzzi	Oceanic	Tosi, Taranto	12/15/1938	10/28/1939	12/22/1939	Captured	3/11/1943
R. Smg. Reginaldo Giuliani	GN	Liuzzi	Oceanic	Tosi, Taranto	3/13/1939	12/3/1939	2/3/1940	Captured by the Germans and later sunk by the submarine H.M.S. Tally Ho	9/8/1943
R. Smg. Console Generale Liuzzi	LZ	Liuzzi	Oceanic	Tosi, Taranto	10/1/1938	9/17/1939	11/21/1939	Sunk by H.M.S. Dainty & Ilex	6/27/1940
R. Smg. Capitano Tarantini	TA	Liuzzi	Oceanic	Tosi, Taranto	4/5/1939	1/7/1940	3/16/1930	Sunk by the submarine H.M.S. Thunderbolt	12/15/1940
R. Smg. Pier Capponi	CP	Mameli	Medium Range	Tosi, Taranto	8/27/1925	6/19/1927	1/20/1929	Sunk by the British submarine H.M.S. Rorqual	3/31/1941
Da Procida	DP	Mameli	Medium Range	Tosi, Taranto	9/21/1925	4/1/1928	1/20/1929	Stricken	9/8/1943
Mameli	MM	Mameli	Medium Range	Tosi, Taranto	8/17/1925	12/9/1926	1/20/1929	Stricken	2/1/1948
Speri	SP	Mameli	Medium Range	Tosi, Taranto	9/28/2025	5/25/1928	8/20/1929	Stricken	2/1/1942
R. Smg. Barbarigo	BO	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/6/1937	6/12/1938	9/19/1938	Sunk by (Unknown )	6/16/1943
R. Smg. Comandante Cappellini	CL	Marcello	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	4/25/1938	5/14/1939	9/23/1939	Captured by the Germans	9/8/1943
R. Smg. Dandolo	DO	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	6/14/1937	9/20/1937	3/25/1938	Stricken	9/8/1943
R. Smg. Emo	EO	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/16/1937	6/29/1938	10/14/1938	Sunk by H.M.S. Lord Nuffield	11/10/1942
R. Smg. Comandante Faa Di Bruno	FB	Marcello	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	4/28/1938	6/18/1939	10/23/1939	Sunk by H.M.S. Havelock	10/31/1940
R. Smg. Marcello	ML	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/4/1937	9/20/1937	3/5/1938	Sunk by Aircraft	2/22/1941
Mocenigo	MO	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/19/1937	11/20/1937	8/16/1938	Sunk by air bombardment	3/14/1941
R. Smg. Morosini	MS	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/2/1937	7/28/1938	11/11/1938	Sunk (Unknown)	8/11/1942
R. Smg. Nani	NI	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/15/1937	1/16/1938	9/5/1938	Sunk by H.M.S. Anemone	1/7/1941
Provana	PR	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/3/1937	3/16/1938	7/25/1938	Sunk by RF La Curieuse off Oran	6/17/1940
R. Smg. Veniero	VN	Marcello	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/23/1937	2/14/1938	6/5/1938	Sunk by Aircraft	6/7/1942
R. Smg. Leonardo Da Vinci		Marconi	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/19/1938	9/16/1939	3/8/1940	Sunk by H.M.S. Active & Ness	5/23/1943
R. Smg. Luigi Torelli		Marconi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	2/15/1939	1/6/1940	5/15/1940	Captured by the Germans	9/8/1943
R. Smg. Maggiore Baracca	BG	Marconi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	3/1/1939	4/21/1940	7/10/1940	Sunk by H.M.S. Croome	9/8/1941
R. Smg. Michele Bianchi	BH	Marconi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	2/15/1939	12/3/1939	4/15/1940	Sunk by the submarine H.M.S. Severn	7/5/1941
R. Smg. Alessandro Malaspina	MA	Marconi	Oceanic	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	3/1/1939	2/18/1940	6/20/1940	Sunk (Unknown )	9/10/1941
R. Smg. Guglielmo Marconi	MN	Marconi	Oceanic	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/19/1938	7/30/1939	2/8/1940	Sunk (Unknown)	10/28/1941
R. Smg. Micca	MC	Micca	Minelaying	Tosi, Taranto	10/15/1931	3/31/1935	1/10/1935	Sunk by the submarine H.M.S. Trooper	7/29/1943
R. Smg. Antonio Bajamonti (Smeli)	BM	Osvetnik	Coastal	Loires, Nantes (France)		12/1/1928	4/1/1941	Scuttled	8/9/1943
Francesco Rismondo (Osvetnik)	RI	Osvetnik	Coastal	Loires, Nantes (France)		1/14/1929	4/1/1941	Scuttled	8/9/1943
Berillo	BE	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/14/1935	6/14/1936	8/5/1936	Scuttled after hits by H.M.S. Havock & Hasty	10/2/1940
R. Smg. Corallo	CO	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/1/1935	8/2/1936	9/26/1936	Sunk by H.M.S. Enchantress	12/13/1942
R. Smg. Diaspro	DS	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/21/1935	7/5/1936	8/28/1936	Stricken	9/8/1943
R. Smg. Gemma	GE	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/7/1935	5/21/1936	7/8/1936	Sunk by friendly fire	10/8/1940
Iride	IR	Perla	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	9/3/1935	7/30/1936	11/6/1936	Sunk by H.M.S. Eagle’s Aircraft	8/22/1940
Malachite	MH	Perla	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	8/31/1935	7/15/1936	1/6/1936	Sunk by the Dutch Submarine Dolfyn	2/9/1943
Onice	OC	Perla	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	8/27/1935	6/15/1936	9/1/1936	Stricken	2/1/1948
R. Smg. Ambra	PL	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	8/28/1935	5/28/1936	8/4/1936	Scuttled (later refloated & recommissioned by Germans)	9/9/1943
R. Smg. Perla	PL	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	8/31/1935	5/3/1936	7/8/1936	Captured by H.M.S. Hyacinth	7/9/1942
R. Smg. Turchese	TC	Perla	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	9/27/1935	7/19/1936	9/21/1936	Stricken	1/1/1948
R. Smg. Giovanni Bausan	BN	Pisani	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/20/1926	3/24/1928	9/15/1929	Decommissioned	4/16/1942
Marcantonio Colonna	CN	Pisani	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/12/1925	12/26/2027	7/10/1929	Decommissioned	6/1/1942
Des Geneys	DN	Pisani	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/1/1926	6/14/1928	10/31/1929	Decommissioned	5/28/1943
R. Smg. Vettor Pisani	PN	Pisani	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	12/3/1925	11/24/1927	6/16/1929	Stricken	3/23/1947
R. Smg. Alabastro	AB	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/14/1941	12/18/1941	5/9/1942	Sunk by Aircraft	9/14/1942
R. Smg. Acciaio	AC	Platino	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	11/21/1940	6/22/1941	10/30/1941	Sunk by the submarine H.M.S. Unruly	7/13/1943
R. Smg. Asteria	AE	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/16/1940	5/25/1941	11/8/1941	Scuttled after hits by H.M.S. Wheatland & Easton	2/17/1943
R. Smg. Argento	AG	Platino	Coastal	Tosi, Taranto	4/30/1941	2/22/1942	5/16/1942	Scuttled after hits by U.S.S. Buck (DD-420)	8/3/1943
R. Smg. Avorio	AV	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/9/1940	9/6/1941	3/25/1942	Sunk by H.M.C.S .Regina	2/9/1943
Bronzo	BZ	Platino	Coastal	Tosi, Taranto	12/2/1940	9/28/1941	1/2/1942	Captured by H.M.S. Seaham	7/12/1943
Cobalto	CB	Platino	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	11/26/1940	8/20/1941	3/18/1942	Sunk by H.M.S. Ithuriel & Pathfinder	8/12/1942
Giada	GD	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/16/1940	6/10/1941	12/8/1941	Stricken	6/1/1966
Granito	GR	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/9/1940	8/5/1941	3/31/1942	Sunk by the submarine H.M.S. Saracen	11/9/1942
Nichelio	NC	Platino	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	7/1/1941	4/12/1942	7/30/1942	Stricken and transferred to the U.S.S.R.	2/1/1948
Porfido	PO	Platino	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/9/1940	8/23/1941	1/24/1942	Sunk by the submarine H.M.S. Tigris	12/6/1942
Platino	PT	Platino	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	11/20/1940	6/1/1941	10/2/1941	Stricken	10/18/1946
R. Smg. Volframio	VO	Platino	Coastal	Tosi, Taranto	12/16/1940	11/9/1941	2/15/1942	Scuttled	9/9/1943
R3		R	Submarine – Transport	Tosi, Taranto	3/1/1943	9/7/1946		Stricken
R4		R	Submarine – Transport	Tosi, Taranto	3/1/1943	9/30/1946		Stricken
R5		R	Submarine – Transport	Tosi, Taranto	3/25/1943			Stricken
R6		R	Submarine – Transport	Tosi, Taranto	3/25/1943			Stricken
R7		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/1/1943	10/31/1943		Stricken
R8		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/1/1943	12/28/1943		Stricken
R9		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/6/1943	2/27/1944		Stricken
R10		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	2/24/1943	7/13/1943		Stricken
R11		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	3/10/1943	7/6/1944		Stricken
R12		R	Submarine – Transport	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/13/1943	9/29/1944		Stricken
R. Smg. Remo	RE	R	Submarine – Transport	Tosi, Taranto	7/21/1942	3/21/1943	6/19/1943	Sunk by the submarine H.M.S. United	7/15/1943
R. Smg. Romolo	RO	R	Submarine – Transport	Tosi, Taranto	4/5/1942	3/28/1943	6/19/1943	Sunk by Aircraft	7/18/1943
S 1 (U 428)		S	Coastal	Danziger Werft Danzig (Germany)	8/14/1942	3/11/1943	6/26/1943	Captured by the Germans	9/9/1943
S 2 (U 746)		S	Coastal	Schichau, Danzig (Germany)	7/15/1942		7/4/1943	Captured by the Germans	9/9/1943
S 3 (U 747)		S	Coastal	Schichau, Danzig (Germany)	8/19/1942		7/17/1943	Captured by the Germans	9/9/1943
S 4 (U 429)		S	Coastal	Danziger Werft Danzig (Germany)	9/14/1942		7/14/1943	Captured by the Germans	9/9/1943
S 5 (U 748)		S	Coastal	Schichau, Danzig (Germany)	8/20/1942		7/31/1943	Captured by the Germans	9/9/1943
S 6 (U 430)		S	Coastal	Danziger Werft Danzig (Germany)	10/5/1942	4/22/1943	8/4/1943	Captured by the Germans	9/9/1943
S 7 (U 749)		S	Coastal	Schichau, Danzig (Germany)	9/28/1942	3/30/1943	8/14/1943	Captured by the Germans	9/9/1943
S 8 (U1161)		S	Coastal	Danziger Werft Danzig (Germany)	10/27/1942		8/25/1943	Captured by the Germans	9/9/1943
S 9 (U 750)		S	Coastal	Schichau, Danzig (Germany)	9/29/1942		8/26/1943	Captured by the Germans	9/9/1943
Ruggiero Settimo	SO	Settembrini	Medium Range	Tosi, Taranto	4/16/1928	3/29/1931	4/25/1932	Stricken	10/8/1946
Settembrini	ST	Settembrini	Medium Range	Tosi, Taranto	4/16/1928	7/28/1930	1/25/1932	Sunk	10/8/1946
R. Smg. Ametista	AA	Sirena	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	9/16/1931	4/26/1933	4/1/1934	Scuttled	9/12/1943
R. Smg. Anfitrite	AN	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	7/11/1931	7/5/1933	3/22/1934	Scuttled after hits by H.M.S. Greyhound	3/6/1941
R. Smg. Diamante	DI	Sirena	Coastal	Tosi, Taranto	5/11/1931	5/21/1933	6/18/1933	Sunk by the British submarine H.M.S. Parthian	6/20/1940
Galatea	GT	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	7/18/1931	5/5/1933	6/25/1934	Stricken	2/1/1948
R. Smg. Naiade	NA	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/9/1931	3/27/1933	11/16/1933	Scuttled after hits by H.M.S. Hyperion & Hereward	12/14/1940
Nereide	NE	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/30/1931	5/25/1933	2/17/1934	Sunk by H.M.S. Echo & Ilex	7/13/1943
Ondina	ON	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	7/25/1931	12/2/1933	9/19/1934	Scuttled after hits by H.M.S.A.S. Protea, Southern Maid & Aircraft	7/11/1942
Rubino	RU	Sirena	Coastal	Cantieri Navali del Quarnaro (C.N.Q.), Fiume	9/26/1931	3/29/1933	3/21/1934	Sunk by Aircraft	6/29/1940
R. Smg. Sirena	SI	Sirena	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/1/1931	1/26/1933	10/2/1933	Scuttled	9/9/1943
Smeraldo	SM	Sirena	Coastal	Tosi, Taranto	5/25/1931	7/23/1933	11/29/1933	Sunk (Unknown )	9/15/1941
R. Smg. Topazio	TP	Sirena	Coastal	Cantieri Navali del Quarnaro (C.N.Q.), Fiume	9/26/1931	5/15/1933	4/1/1934	Sunk during an aerial bombardment	9/12/1943
R. Smg. Zaffiro	ZA	Sirena	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	9/16/1931	6/28/1933	6/4/1934	Sunk the submarine H.M.S. Ultimatum	6/9/1942
R. Smg. Delfino	DL	Squalo	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/27/1928	4/27/1930	6/19/1930	Sunk due to Collision	3/23/1943
Narvalo	NR	Squalo	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/17/1928	3/15/1930	12/11/1930	Scuttled after hits by H.M.S. Pakenham, Hursley & Aircraft	1/14/1943
R. Smg. Squalo	SQ	Squalo	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	10/10/1928	1/15/1930	10/6/1930	Stricken	2/1/1948
R. Smg. Tricheco	TR	Squalo	Medium Range	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	11/10/1928	9/11/1930	6/23/1931	Sunk H.M. Sub. Upholder	3/18/1942
R. Smg. Cernia		Tritone	Coastal	Tosi, Taranto	7/12/1943			Never completed
R. Smg. Dentice		Tritone	Coastal	Tosi, Taranto	7/23/1943			Never completed
R. Smg. Spigola		Tritone	Coastal	Tosi, Taranto	6/10/1943			Never completed
Gronco		Tritone	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	5/15/1941	1/30/1942	11/11/1942	Scuttled	9/9/1943
Murena		Tritone	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	4/1/1942	4/11/1943	8/25/1943	Scuttled and later captured by the Germans	9/9/1943
Nautilo		Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/3/1942	3/20/1943	7/26/1943	Captured by the Germans, later sunk, floated and used by the Jugoslavia Navy	9/9/1943
Sparide		Tritone	Coastal	Odero-Terni-Orlandi (O.T.O.), Muggiano (La Spezia)	4/25/1942	2/21/1943	8/7/1943	Scuttled	9/9/1943
Flutto	FL	Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	12/1/1941	9/19/1942	3/20/1943	Sunk by H.M. MTBs-640,-651 & -670	7/11/1943
Gorgo	GG	Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/15/1941	1/30/1942	11/11/1942	Sunk by U.S.S. Nields (DD-616)	5/21/1943
R. Smg. Marea	MA	Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	12/1/1941	12/10/1942	5/7/1943	Stricken, delivered to the U.S.S.R.	2/1/1948
R. Smg. Tritone	TN	Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	5/15/1941	1/3/1942	10/10/1942	Sunk by H.M.C.S. Port Arthur	1/19/1943
R. Smg. Vortice	VR	Tritone	Coastal	Cantieri Riuniti dell’Adriatico (C.R.D.A.), Monfalcone	1/3/1942	2/23/1943	6/21/1943	Stricken	8/1/1967