Gray Matters or Grey Matters may refer to:
Gray Matters (novel), by William Hjortsberg Gray Matters (2006 film), a film directed by Sue Kramer Gray Matters (2014 film), a documentary film by Marco Orsini Gray Matter (2023 film), science fiction film by Meko Winbush Gray Matters (record label) "Gray Matters" (Johnny Bravo), a 2004 episode of Johnny Bravo "Grey Matters" (Fringe)
See also Grey Matter (disambiguation)