Mars 1 was an early Soviet mission to Mars.

It may also refer to

• Mars One, a proposed colony on Mars
• Mars One (film), a 2022 Brazilian film
• Phobos (moon), a natural satellite of Mars, systemically designated Mars I
• Mars Orbiter Mission, the first Indian Mars mission
• Yinghuo-1 (Chinese: 螢火-1), the first attempted Chinese mission to Mars
• Tianwen-1 (formerly Huoxing-1 Chinese: 火星-1; lit. 'Mars One'), first Chinese space probe to reach Mars
• USS Mars (1798), the first USS Mars
• HMS Mars (1665), the first HMS Mars
• the first volume of Fuyumi Soryo's Mars (manga)

• Mars 1M, Soviet spacecraft
• Mars (disambiguation)
• Marsi (disambiguation)
• Marsone (disambiguation)

This disambiguation page lists articles associated with the title Mars 1.
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