William Paterson Templeton (8 November 1876 – 4 July 1938) was a Scottish Unionist Party politician. He contested Ross and Cromarty in 1911 and sat as Member of Parliament for Banffshire from 1924 until 1929. He was unsuccessful in Glasgow Shettleston at a 1930 by-election, and sat for Coatbridge from 1931 until 1935.