Caya may refer to: Caya, the Spanish name of Sideroxylon foetidissimum, a species of tree Río Caya, the Spanish name of the river Caia, in Spain and Portugal Caya diaphragm, or Caya, a silicone diaphragm model Dale Caya, an American soccer goalkeeper, who was the 1990 American Professional Soccer League Goalkeeper of the Year.
See also La Caya, a town in the Valverde province of the Cibao region of the Dominican Republic.