| Doreen Sark | |
| Office: | Leader of the New Democratic Party of Prince Edward Island |
| Term Start: | 1979 |
| Term End: | 1981 |
| Predecessor: | Aquinas Ryan |
| Successor: | Douglas Murray |
| Party: | New Democratic Party |
Doreen Sark is a former Canadian politician who served as the interim leader of the Prince Edward Island New Democratic Party from 1979 to 1981.[1] During the 1979 provincial election, she led the party and became the first woman ever to lead a political party in the province during an election campaign.[2]