Phanes is a Greek deity. Phanes may also refer to:

Phanes coins, the most ancient inscribed coins, which have the name "Phanes" on them Phanes (organic chemistry), a structural sub-unit in nomenclature Phanes of Halicarnassus, a councilman serving Amasis, who would eventually help Cambyses II to conquer Egypt Phanes (butterfly), a genus of butterflies