Dik or DIK may refer to:
A dik-dik is the name for any of four species of small antelope in the genus Madoqua that live in the bushlands of eastern and southern Africa.
Diktat (foaled 25 February 1995) is a British Thoroughbred racehorse and sire. He spent most of his racing career at distances of around seven furlongs but recorded his two biggest wins when dropped to sprint distances.
Dikgang Ernest Moseneke (born 20 December 1947) is a South African judge and former Deputy Chief Justice of South Africa.
A dike swarm or dyke swarm is a large geological structure consisting of a major group of parallel, linear, or radially oriented dikes intruded within continental crust.