Albert Geoffroy Saint-Hilaire (December 2, 1835 – January 30, 1919) was a French zoologist who served as a director of the Jardin d'acclimatation du Bois de Boulogne in Paris from 1865 to 1893. He was the son of the zoologist Isidore Geoffroy Saint-Hilaire (1805-1861) and grandson of the naturalist Étienne Geoffroy Saint-Hilaire (1772-1844).