Keymer is a village in the Mid Sussex District of West Sussex, England.
Keymer may also refer to:
Things located in Burgess Hill, which incorporated the northern part of the parish of Keymer: Keymer Tiles, a traditional producer of clay roof tiles founded in 1588 and located in Burgess Hill Keymer Junction, a railway junction between the Brighton Main Line and a branch of the East Coastway line, just south of Wivelsfield railway station Keymer Junction, a former railway station, later renamed Wivelsfield
People with the surname Keymer: Josefina Keymer (born 2000), Chilean footballer Oskar Keymer (born 2003), German actor Vincent Keymer (born 2004), German chess Grandmaster
See also Operation Keymer, a crackdown on cannabis-growing factories in the United Kingdom during late 2006