George Treat (1819–1907) was an early Gold Rush-era pioneer in the Mission District, of San Francisco, a businessman, abolitionist, a member of the first Committee of Vigilance of San Francisco, and horse racing enthusiast. He was influential to the early physical development of the Mission District and its eventual shift to urbanization. Treat was responsible for the construction and management of the Pioneer Race Course, a horse racing track built in San Francisco in 1851 and in helping with the creation of the San Francisco-San Jose Railway when he sold the land.