William Moore (December 25, 1810, Norristown, Pennsylvania – April 26, 1878, Mays Landing, New Jersey), was an American Republican Party politician, who served in the United States House of Representatives, where he represented New Jersey's 1st congressional district from 1867 to 1871. Moore was elected as a Republican to the Fortieth and Forty-first Congresses, serving in office from March 4, 1867 – March 3, 1871. He was chairman of the Committee on Expenditures in the Post Office Department in the Forty-first Congress. He was unsuccessful candidate for renomination in 1870