William H. Hampton (1893 – February 27, 1957) was an American lawyer and politician from New York.

He was born in 1893 in Scotland,^[1] the son of Edward Mackie Hampton (1862–1934) and Agnes (Hately) Hampton (1866–1961). He graduated from Gouverneur High School, in Gouverneur, New York, in 1913; and from Syracuse University College of Law in 1916.^[2] During World War I, he served with the 301st Engineers of the U.S. Army, and finished the war as a lieutenant.

After the war, he practiced law in Utica, and was a Justice of the Peace. On September 4, 1923, he married Esther Kolpien,^[3] and they had two sons. He was a U.S. Commissioner for the Northern District of New York from 1927 to 1934.

Hampton was a member of the New York State Senate (36th D.) from 1935 to 1944, sitting in the 158th, 159th, 160th, 161st, 162nd, 163rd and 164th New York State Legislatures.^[4]

He died on February 27, 1957, in Faxton Hospital in Utica, New York, after a heart attack.^[5]