George H. Winkler (June 5, 1872 - July 23, 1911) was an American civil engineer. Born in the Green valley of California, Winkler attended public schools before studying civil engineering at the University of California. After graduation, Winkler found a job working in the Sonoma mines. He joined the U.S. Engineering Corps in June 1898 and was sent to Honolulu, where he worked until he was discharged in November 1899. He then moved to Mexico, where he worked on the construction of the Kansas City, Mexico, and Orient Railroad from June 1900 until January 1906, when he returned to California. He was elected as Sonoma County Surveyor in November 1906 and reelected in 1910. Winkler married Maybel Parker on February 29, 1908.