Peter Burtniak (March 26, 1925 in Fork River, Manitoba – April 8, 2004) was a politician in Manitoba, Canada. He was a New Democratic member of the Legislative Assembly of Manitoba from 1969 to 1977, and served as a cabinet minister in the government of Edward Schreyer. He first ran for the Manitoba legislature in the provincial election of 1958 as a candidate of the CCF in , but lost to Liberal-Progressive incumbent Michael Hryhorczuk by 981 votes. He ran for the same riding in the 1959 election, this time losing to Hryhorczuk by 266 votes.