| Seraphin R. Léger | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1917 |
| Term End: | 1935 |
| Constituency: | Gloucester |
| Birth Date: | 28 August 1870 |
| Birth Place: | Waasis, New Brunswick |
| Death Place: | St. Mary's, New Brunswick |
| Spouse: | Elizabeth Mauzerold |
| Party: | New Brunswick Liberal Association |
| Occupation: | merchant |
| Children: | 16 |
| Residence: | Caraquet, New Brunswick |
Seraphin R. Léger (August 28, 1870 – May 15, 1935) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Liberal party representing Gloucester County from 1917 to 1935.[1]