M class submarine

Three classes of submarine are known as the M class

The M class of 148 submarines of the Soviet Navy, built between 1933 and 1947
The M class of three "submarine monitors" of the Royal Navy built in 1917 and 1918.
The M class of one submarine (M-1) of the United States Navy.

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.