Men of war or Men o' war may refer to:

• Men of War, a video game series
  • Men of War (video game), a 2009 video game part of the series
• Men of War (1994 film), a film starring Dolph Lundgren
• Men of War (2024 film), a documentary film
• Men of War a 1993 novel by Jerry Pournelle
• Men of War (comics), a series of comic books published by DC Comics
• Lexington Men O' War, a defunct professional ice hockey team
• Men O' War, a 1929 short film

• Man O' War (disambiguation)
• Man of war (disambiguation)