Kastor may refer to: Castor and Pollux, twin brothers in Greek and Roman mythology Kastor und Pollux, a complex of two towers in Frankfurt, Germany, named after the mythological characters Kastor of Rhodes, a Greek grammarian and rhetorician Kastor, an unrelated character in the 2002 video game Age of Mythology

Kastor is also the surname of: Adolph Kastor, a founder of Camillus Cutlery Company Deena Kastor (born 1973), an American long-distance runner

See also Castor (disambiguation) Gastor (disambiguation) Kastro (disambiguation)