| Pierre-Julien Leclair | |
| Constituency Mp: | Terrebonne |
| Parliament: | Canadian |
| Predecessor: | Joseph-Adolphe Chapleau |
| Successor: | Léon Adolphe Chauvin |
| Term Start: | 1893 |
| Term End: | 1896 |
| Birth Date: | 16 September 1860 |
| Birth Place: | Sainte-Thérèse, Canada East |
| Party: | Conservative |
Pierre-Julien Leclair (September 16, 1860 - May 10, 1897) was a Canadian politician.
Born in Sainte-Thérèse, Canada East, he was educated at the College of Ste. Therese and studied law in Université Laval, graduating with the degree of LL.B. After studying law in the office of De Lorimier & De Lorirnier, he was admitted to the practice of law in July 1883. He later became a partner in the firm Auge, Leclair & Chaffers. He was acclaimed as the Conservative candidate to the House of Commons of Canada in an 1893 by-election for the riding of Terrebonne. He did not run in the 1896 election.