Antistar may refer to:
"Antistar", a song on the 100th Window studio album from the music group Massive Attack Antistar, an orientation diametrically opposite the direction of a star sometimes used when describing the direction of a comet's tail Louise Brooks: Portrait of an Anti-star, a 1977 book about actress Louise Brooks AntiStar (album), a 2003 album by Marshmallow Coast Nordend Antistars, a group featuring singer Stephan Weidner "Anti-star", a nickname of musician, singer, composer, and film-maker Kevin Coyne Anti-StAR, an antibody for the steroidogenic acute regulatory protein (StAR) Anti-star, a conjectured type of star formed from antimatter