I-56

Japanese submarine ''I-56'' may refer to one of the following

submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...

s of the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...

: * Japanese submarine ''I-56'' (1928), a ''Kaidai''-class cruiser submarine; renamed ''I-156'' in 1942; scuttled in 1946 * Japanese submarine ''I-56'' (1943), a B3-class cruiser submarine; sunk in 1945 {{DEFAULTSORT:I-56, Japanese submarine Japanese Navy ship names Imperial Japanese Navy ship names