Perihelion is the point of closest approach to the Sun of a body orbiting the Sun.

Perihelion may also refer to: Perihelion: The Prophecy, a 1993 role-playing video game for the Amiga computer Perihelion Software, a British software company Isaac Asimov's Robot City: Perihelion, a 1988 novel by William F. Wu Perihelion, a short story by Dan Abnett for the Warhammer 40,000 universe Perihelion, a song by King Gizzard & the Lizard Wizard from Infest the Rats' Nest (2019)