Peter John Enzenauer (February 2, 1878 – April 11, 1951) was a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1921 to 1935 sitting with the United Farmers caucus in government.

Enzenauer ran for a seat to the Alberta Legislature for the first time in the 1921 Alberta general election as a candidate for the United Farmers. He won a two way race in the electoral district of Alexandra with over 88% of the popular vote.^[1]

Enzenauer ran for a second term in the 1926 Alberta general election. He fought a three way race to keep his seat. His margin of victory dropped but he still returned to office with a big majority.^[2]

Enzenauer faced a two battle running for his third term in office in the 1930 Alberta general election. His popular vote increased, and he won a big majority over Liberal candidate F.H. Dunstan.^[3]

Enzenauer ran for a fourth term in office in the 1935 Alberta general election but was defeated in a landslide by Social Credit candidate Selmer Berg. He finished a distant second in the five way race.^[4]