Mars (disambiguation)


 * Mars, a location mentioned in Fallout 2, Fallout 3, Fallout 4, and Fallout 76.
 * Mars (mentioned), a deity worshiped by Caesar's Legion in Fallout: New Vegas.
 * Mars Shot Project, a failed attempt to reach Mars by the United States, mentioned in Fallout 4.
 * Mars, the Bringer of War, a song heard in Fallout 4 and Fallout 76.