HMS M4 may refer to the following ships of the Royal Navy:
- HMS Roberts (1915), a monitor originally named M4
- HMS M4 (1919), the fourth M-class submarine
See also edit
- HSwMS M4 (1940) (Swedish: HMS M4), a Swedish Royal Navy M-type minesweeper; see List of mine warfare vessels of the Swedish Navy
- HSwMS Carlskrona (M04) (1980) (Swedish: HMS M4), a Swedish Royal Navy minelayer
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.