Apollo 18 may refer to:
- One of the canceled Apollo missions of the American Apollo lunar program
- The officially unnumbered Apollo spacecraft used in the 1975 Apollo–Soyuz Test Project
- Apollo 18 (album), a 1992 album by They Might Be Giants
- Apollo 18: Mission to the Moon, a 1988 video game by Accolade
- Apollo 18 (band), a Korean indie rock trio, formed in 2008
- Apollo 18 (film), a 2011 horror film directed by Gonzalo López-Gallego
- The fictional Apollo 18 mission in James Michener's 1982 novel Space
disambiguation page lists articles associated with the title Apollo 18.
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