| Riding: | Portage—Neepawa |
| Parliament: | Canadian |
| Term Start: | 18 June 1962 |
| Term End: | 24 June 1968 |
| Predecessor: | George Fairfield |
| Successor: | Riding abolished |
| Birth Name: | Siegfried John Enns |
| Birth Date: | 26 April 1924 |
| Birth Place: | Sokolivka, Ukrainian SSR, Soviet Union |
| Death Place: | Winnipeg, Manitoba, Canada |
| Party: | Progressive Conservative |
| Children: | 4 |
| Education: |
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Siegfried John Enns (26 April 192425 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.