Mars II (disambiguation)

Mars Two, Mars II, Mars 2 or variant, may refer to:


 * Mars II (Deimos), the second moon of Mars
 * Mars 2, the Soviet spaceprobe for Mars
 * HMS Mars (1746), the second ship named HMS Mars
 * USS Mars (AC-6), the second ship named USS Mars
 * the second volume of Fuyumi Soryo's Mars (manga)
 * MARS II / LRU / MLRS-I, a European variant of the M270 Multiple Launch Rocket System