| Napoléon-Pierre Tanguay | |
| Predecessor: | Jérôme-Adolphe Chicoyne |
| Successor: | Joseph-Eugène Rhéault |
| Term Start: | 1904 |
| Term End: | 1919 |
| Birth Date: | 8 November 1862 |
| Birth Place: | Weedon, Canada East |
| Death Place: | Tampa, Florida, United States |
| Nationality: | Canadian |
| Party: | Liberal |
Napoléon-Pierre Tanguay (November 8, 1862 - February 25, 1927) was a Canadian provincial politician. He was the Liberal member of the Legislative Assembly of Quebec for Wolfe from 1904 to 1919.