| P. Steven Porter | |
| Birth Date: | 30 September 1945 |
| Birth Place: | Woodstock, New Brunswick |
| Office: | MLA for Carleton South |
| Term: | 1978–1987 |
| Predecessor: | Edison Stairs |
| Successor: | Bruce Atherton Smith |
| Party: | Progressive Conservative Party of New Brunswick |
Paul Steven Porter (born September 30, 1945) was a Canadian politician. He served in the Legislative Assembly of New Brunswick from 1978 to 1987, as a Progressive Conservative member for the constituency of Carleton South.[1]