Corycus may refer to: Corycus (alga), a brown alga genus in the family Chordariaceae Hayton of Corycus, medieval Armenian historian places Corycus, a city of Cilicia Tracheia Corycus (Crete), a town of ancient Crete, Greece Corycus (Ionia), a town of ancient Ionia Corycus (Lycia), a city in Lycia Corycus (mountain), a mountain in Lydia Corycus (Pamphylia), a city in Pamphylia Gramvousa island off Crete, anciently known as Corycus Gramvousa Peninsula on Crete, anciently known as Corycus