Jacob Philipp Hackert (September 15, 1737 in Prenzlau – April 28, 1807 in San Piero di Careggio near Florence) was a German landscape painter. He arrived in Rome in 1768 and spent a large portion of his career there as well as in Tivoli, Italy.

Johann Wolfgang von Goethe was a friend of Hackert and wrote his biography which was published in 1811. Hackert's major rival in his career was Jacob More.