| Thomas-Philippe Pelletier | |
| Office: | Member of the Legislative Council of Quebec for Grandville |
| Predecessor: | Élisée Dionne |
| Successor: | John Hall Kelly |
| Term Start: | 1892 |
| Term End: | 1913 |
| Birth Date: | 22 December 1823 |
| Birth Place: | Sainte-Anne-de-la-Pocatière, Lower Canada |
| Death Place: | Trois-Pistoles, Quebec |
| Party: | Conservative |
| Children: | Louis-Philippe Pelletier |
Thomas-Philippe Pelletier (22 December 1823 - 28 April 1913) was a Canadian merchant and politician.
Born in Sainte-Anne-de-la-Pocatière, Lower Canada, the son of Germain Pelletier and Marie Marthe Pelletier, Pelletier was educated at the Collège de Sainte-Anne-de-la-Pocatière and then became a school teacher. He later opened a general merchandise business in Trois-Pistoles and was the postmaster of Trois-Pistoles for fifty-three years. In 1892, he was appointed to the Legislative Council of Quebec for the division of Grandville. A Conservative, he served until he died in 1913.
He married Caroline Casault, the daughter of Louis-Napoléon Casault, in 1854. He was the father of Louis-Philippe Pelletier.