Life on Mars may refer to:
- LEGO Life on Mars, a LEGO theme about astronauts traveling to Mars and meeting Martians.
- Life on Mars (2006), a British series which aired on BBC One; named after the David Bowie song.
- Life on Mars (2008), an American remake of the British show that aired on ABC.
- Life On Mars 2018, a Korean remake of the British show that aired on OCN.
- "Life on Mars", a song by David Bowie
- "Life on Mars", a song by the New Orleans Radiators.