Eduard Petrovich Hau / Эдуард Петрович Гау (28 July 1807 in Reval - c.1888 in Dorpat) was a Baltic German painter and graphic artist.
He was the son of painter Johannes Hau (1771-1838), who had emigrated from Northern Germany in 1795, and he grew up in the German community of Tallinn ("Reval" in German). His half-brother was the painter Woldemar Hau. From 1830-1832, he studied at the Dresden Academy of Fine Arts.