Hasbrouck Davis (April 19, 1827 - October 19, 1870) was an American general from Massachusetts. The son of prominent politician "Honest" John Davis, Davis attended Williams College and briefly taught before studying to become a Unitarian minister. He later studied law and moved to Chicago, Illinois to practice. He was mustered into service with the 12th Illinois Cavalry in 1862, later leading the regiment as a colonel. Late in his war service he was brevetted to brigadier general. In 1870, he died in the wreck of the SS Cambria.