Trey may refer to:

Places Trey, Switzerland, a commune in Vaud, Switzerland Trey Peaks, Coats Land, Antarctica

Other uses Trey (given name), a list of people and fictional characters with the given name, nickname or stage name Trey (playing card), the Three in card games Trey, slang for a three-point shot in basketball Student Union of Tampere University (TREY), in Finland

See also Trea (disambiguation) Trae, a list of people with the given name or nickname Tre (disambiguation) Tray (disambiguation)