Siegfried John Enns (26 April 1924 – 25 January 2020) was a Progressive Conservative party member of the House of Commons of Canada. He was a social worker by career.

He was first elected at the Portage—Neepawa riding in the 1962 general election, then re-elected there in 1963 and 1965. With riding boundary changes, Enns sought re-election at the Portage riding for the 1968 election but was defeated by Gerald Cobbe of the Liberal party. He died on 25 January 2020, aged 95.^[1]

His brother Harry Enns was a long-serving (1966–2003) member of the Legislative Assembly of Manitoba.

• Siegfried Enns – Parliament of Canada biography