Gret or GRET may refer to:
, a Russian coastal tanker Groupe de Recherches et d'Echanges Technologiques (acronym: GRET) Gret Palucca (1902–1993), German dancer and teacher Gret Loewensberg (born 1943), Swiss architect Eugenio Gret (1901–?), Argentine cyclist
See also Dull Gret, Anglicized version of Dulle Griet, a figure of Flemish folklore