William Arnold Peters (May 14, 1922 – September 17, 1996) was a Canadian politician. He represented the riding of Timiskaming in the House of Commons of Canada from 1957 to 1980. He was originally elected as a member of the Co-operative Commonwealth Federation, which became the New Democratic Party in 1961. Peters, a hard rock miner and union organizer, served in the 124th Ferry Squadron in the Royal Canadian Air Force during World War II. He also ran in the 1953 election against Karl Eyre in the Timmins riding, but was not elected.