| Honorific-Prefix: | The Honourable |
| Office: | Canadian Senator from Nova Scotia |
| Term Start: | October 31, 2023 |
| Nominator: | Justin Trudeau |
| Appointed: | Mary Simon |
| Alma Mater: | Université de Moncton |
| Birth Date: | 4 July 1955[1] |
| Birth Place: | Chéticamp, Nova Scotia |
| Party: | Canadian Senators Group |
Réjean Aucoin (born July 4, 1955) is a Canadian politician who has served as a senator from Nova Scotia since October 2023.
Aucoin was born and raised in Chéticamp, Nova Scotia. He graduated from Université de Moncton with a Bachelor in Social Work in 1977 and with a Bachelor of Laws in 1991.[1]
Aucoin practiced law privately from 1993 until his appointment to the Senate of Canada.
On October 31, 2023, he was summoned to the Senate of Canada by Governor General Mary Simon, on the advice of prime minister Justin Trudeau.[2]