Apollo 18 may refer to: One of the canceled Apollo missions of the American Apollo lunar program of the 1960s and 1970s The officially unnumbered Apollo spacecraft used in the 1975 Apollo–Soyuz Test Project The fictional Apollo 18 mission in James Michener's 1982 novel Space The fictional Apollo 18 mission in the 2024 TV series Constellation on Apple TV+ Apollo 18: Mission to the Moon, a 1988 video game by Accolade Apollo 18 (album), a 1992 album by They Might Be Giants Apollo 18 (band), a Korean indie rock trio, formed in 2008 Apollo 18 (film), a 2011 horror film directed by Gonzalo López-Gallego