This is a list of submarines that have served the Italian Navy.Delfino Glauco class Glauco Narvalo Otaria Squalo Tricheco Foca Medusa class Medusa Argo Fisalia Jalea Jantina Salpa Velella Zoea Atropo Nautilus class Nautilus Nereide Pullino class Giacinto Pullino Galileo Ferraris Alfa class - midget submarines Alfa Beta Argonauta - ordered as Svyatoy Georgi for the Imperial Russian Navy Balilla - ordered as SM U-42 for the Imperial German Navy Former British S class S1 - former HMS S1 S2 - former HMS S2 S3 - former HMS S3 A class - midget submarines A1 A2 A3 A4 A5 A6 Former British W class W1 - former HMS W1 W2 - former HMS W2 W3 - former HMS W3 W4 - former HMS W4 X1 - former German SM UC-12 B class - midget submarines B1 B2 B3 Pacinotti class Pacinotti Guglielmotti F class F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 N class N1 N2 N3 N4 N5 N6 H class H1 H2 H3 H4 H5 H6 H7 H8 X2 class X2 X3 Micca class Pietro Micca Angelo Emo Luigi Galvani Lorenzo Marcello Lazzaro Mocenigo Torricelli Barbarigo class Andrea Provana Agostino Barbarigo Giacomo Nani Sebastiano Veniero Mameli class Pier Capponi Giovanni da Procida Goffredo Mameli - former Masaniello Tito Speri Balilla class Antonio Sciesa Balilla Domenico Millelire Enrico Toti Pisani class Giovanni Bausan Marcantonio Colonna Des Geneys Vettor Pisani Bandiera class Fratelli Bandiera Luciano Manara Ciro Menotti Santorre Santarosa Ettore Fieramosca Bragadin class Marcantonio Bragadin Filippo Corridoni Squalo class Squalo Delfino Narvalo Tricheco Settembrini class Luigi Settembrini Ruggiero Settimo Argonauta class Argonauta Fisalia Jalea Jantina Medusa Salpa Serpente - former Nautilus Sirena class Ametista Anfitrite Diamante Galatea Naiade Nereide Ondina Rubino Sirena Smeraldo Topazio Zaffiro Archimede class Archimede Evangelista Torricelli Galileo Ferraris Galileo Galilei Glauco class Glauco Otaria Pietro Micca Calvi class Pietro Calvi Giuseppe Finzi Enrico Tazzoli Argo class Argo Velella Perla class Ambra Berillo Corallo Diaspro Gemma Iride Malachite Onice Perla Turchese Adua class Adua Alagi Aradam Ascianghi Axum Beilul Dagabur Dessiè Durbo Gondar Lafolè Macallé Neghelli Scirè Tembien Uarsciek Uebi Scebeli Foca class Foca Atropo Zoea CA class - midget submarines Type 1: CA1 CA2 Type 2: CA3 CA4 Marcello class Marcello Dandolo Veniero Provana Mocenigo Nani Barbarigo Emo Morosini Comandante Cappellini Comandante Faà di Bruno Brin class Brin Galvani Guglielmotti Archimede Torricelli Liuzzi class Console Generale Liuzzi Alpino Bagnolini Capitano Tarantini Reginaldo Giuliani Marconi class Alessandro Malaspina Leonardo da Vinci Luigi Torelli Maggiore Baracca Michele Bianchi Guglielmo Marconi Cagni class Ammiraglio Cagni Ammiraglio Caracciolo Ammiraglio Millo Ammiraglio Saint-Bon Acciaio class Acciaio Alabastro Argento Asteria Avorio Bronzo Cobalto Giada Granito Nichelio Platino Porfido Volframio CM class - midget submarines CM1 CM2 Flutto class or Tritone class Type 1: Tritone Gorgo Flutto Marea Vortice Nautilo Murena Grongo Sparide Spigola Cernia Dentice Type 2: Alluminio Amianto Antimonio Bario Cadmio Cromo Ferro Fosforo Iridio Litio Magnesio Manganese Mercurio Oro Ottone Piombo Potassio Rame Rutenio Silicio Sodio Vanadio Zinco Zolfo R class or Romolo class Remo Romolo R 3 - R 12 - scuttled incomplete and scrapped after the war CB class - midget submarines CB1 CB2 CB3 CB4 CB5 CB6 CB7 CB8 CB9 CB10 CB11 CB12 CB13 CB14 CB15 CB16 CB17 CB18 CB19 CB20 CB21 CB22 Former US Gato class Leonardo da Vinci - former USS Dace (SS-247) Enrico Tazzoli - former USS Barb (SS-220) Former US Balao class Alfredo Cappellini - former USS Capitaine (SS-336) Evangelista Torricelli - former USS Lizardfish (SS-373) Francesco Morosini - former USS Besugo (SS-321) Former US Tench class Primo Longobardo - former USS Pickerel (SS-524) Gianfranco Gazzana Priaroggia - former USS Volador (SS-490) Former US Tang class Livio Piomarta - former USS Trigger (SS-564) Romeo Romei - former USS Harder (SS-568) Toti class Attilio Bagnolini Enrico Toti Enrico Dandolo Lazzaro Mocenigo Sauro class Nazario Sauro type Nazario Sauro Carlo Fecia di Cossato Leonardo da Vinci Guglielmo Marconi Salvatore Pelosi type Salvatore Pelosi Giuliano Prini Primo Longobardo type Primo Longobardo Gianfranco Gazzana Priaroggia Todaro class or Type 212 Salvatore Todaro Scirè Pietro Venuti Romeo Romei