| Honorific-Prefix: | Sir |
| Pierre-Évariste Leblanc | |
| Order: | 11th |
| Office: | Lieutenant Governor of Quebec |
| Predecessor: | François Langelier |
| Successor: | Charles Fitzpatrick |
| Term Start: | February 8, 1915 |
| Term End: | October 18, 1918 |
| Premier: | Lomer Gouin |
| Office2: | Member of the Legislative Assembly of Quebec for Laval |
| Predecessor2: | Louis-Onésime Loranger |
| Successor2: | Amédée Gaboury |
| Term Start2: | October 30, 1882 |
| Term End2: | June 13, 1883 |
| Predecessor3: | Amédée Gaboury |
| Successor3: | Joseph Wenceslas Levesque |
| Term Start3: | July 14, 1884 |
| Term End3: | June 8, 1908 |
| Office4: | Leader of the Official Opposition of Quebec |
| Predecessor4: | Edmund James Flynn |
| Successor4: | Joseph-Mathias Tellier |
| Term Start4: | 1905 |
| Term End4: | June 8, 1908 |
| Office5: | Speaker of the Legislative Assembly of Quebec |
| Predecessor5: | Félix-Gabriel Marchand |
| Successor5: | Jules Tessier |
| Term Start5: | April 26, 1892 |
| Term End5: | November 23, 1897 |
| Birth Date: | 10 August 1853 |
| Death Place: | Sillery, Quebec |
| Nationality: | Canadian |
| Party: | Conservative |
| Children: | 3 |
| Residence: | Laval, Quebec |
| Profession: | politician |
Sir Pierre-Évariste Leblanc, (August 10, 1853 – October 18, 1918) was born in Saint-Martin (today part of Laval, Quebec).[1]
He was a Quebec Conservative Party leader but never premier. First elected to the Legislative Assembly in a by-election in 1882 in the riding of Laval, he served as leader of the Opposition from 1905 to 1908, when he lost the 1908 election and his own seat. Served as the 11th Lieutenant Governor of Quebec from February 12, 1915, until his death in Spencer Wood, Sillery, in 1918. Leblanc was buried at cimetière Notre-Dame-des-Neiges in Montreal.
Prior to his political career, Leblanc was a teacher and a lawyer.
He lost the 1908 election.