Gabay is an English, Dutch, French, Spanish and Jewish surname, and derives from the Aramaic word Gabbai. The name is usually borne by people of Israeli Jewish descent. For people with the surname spelled Gabai, see Gabai. Notable people with this surname include:
- Yuval Gabay (born 1963), Israeli-American drummer
- Eli Gabay (also credited as Eli Gabe), Canadian actor and voice-over artist
- Michael "Micha" Gabay (born 1947), Swedish actor
- Ilya Yankelevich Gabay (1935–1973), was a key figure in the civil rights movement in the Soviet Union
- Ronen Gabay, Israel's football player and manager