| Narcisse A. Gagnon | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1899 |
| Term End: | 1903 |
| Alongside: | Frederick LaForest, Thomas Clair |
| Constituency: | Madawaska |
| Birth Date: | 11 February 1835 |
| Birth Place: | Rivière-Ouelle, Lower Canada |
| Death Place: | Saint-Basile, New Brunswick |
| Spouse: | Christine |
| Party: | New Brunswick Liberal Association |
| Occupation: | Merchant, educator |
Narcisse A. Gagnon (February 11, 1835 – November 20, 1903) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as a member from Madawaska County.[1] [2]