Castanets are a percussion instrument.
Castanet may also refer to: Places in France Castanet, Aveyron Castanet, Tarn Castanet, Tarn-et-Garonne Castanet-le-Haut, Hérault, France Castanet-Tolosan, Haute-Garonne, France
People André Castanet (fl. 1900), French Olympic competitor in athletics Bernard de Castanet (c. 1240–1317), French bishop of the Roman Catholic Archdiocese of Albi
Other Castanet (film), a 1945 Spanish drama film Castanets (band) Château de Castanet, Lozère, France Castanet, a fictional island the player resides on in the video game Harvest Moon: Animal Parade