Type C2 submarine

Type C2 submarine may refer to:


 * I-46-class submarine, also called Type C2 submarine or Type C submarine Late production model (Junsen Hei-gata Kōki-gata), the 1st class submarine of the Imperial Japanese Navy
 * Ha-3-class submarine, also called Type C2 submarine (C2-gata), the 3rd class submarine of the Imperial Japanese Navy