The Gulf of Gonâve (French: Golfe de la Gonâve) is a large gulf along the western coast of Haiti. It is at . Port-au-Prince, the capital city of Haiti, is on the coast of the gulf. Other cities on the gulf coast include Gonaïves, Saint-Marc, Miragoâne, and Jérémie.
Gonâve Island splits the gulf in two channels (a channel is a narrow part of the sea): the Saint-Marc Channel to the north and the Gonâve Channel to the south.