| Marc Lortie | |
| Birth Date: | 1948[1] |
| Birth Place: | Beauport, Quebec, Canada |
| Order1: | 15th |
| Ambassador From1: | Canadian |
| Country1: | France |
| Term Start1: | 2007 |
| Term End1: | 2012 |
| Predecessor1: | Claude Laverdure |
| Successor1: | Lawrence Cannon |
| Order2: | 15th |
| Ambassador From2: | Canadian |
| Country2: | Andorra |
| Term Start2: | 2004[2] |
| Term End2: | 2007 |
| Predecessor2: | Anthony Vincent[3] |
| Order3: | 16th |
| Ambassador From3: | Canadian |
| Country3: | Spain |
| Term Start3: | 2004 |
| Term End3: | 2007 |
| Predecessor3: | Alain Dudoit[4] |
| Order4: | 11th |
| Ambassador From4: | Canadian |
| Country4: | Paraguay |
| Term Start4: | 1993 |
| Term End4: | ???? |
| Predecessor4: | Michael T. Mace |
| Successor4: | Robert G. Clark |
| Order5: | 20th[5] |
| Ambassador From5: | Canadian |
| Country5: | Chile |
| Term Start5: | 1993 |
| Term End5: | 1997 |
| Predecessor5: | Michael T. Mace |
| Successor5: | Lawrence Lederman |
Marc Lortie is a Canadian diplomat.
After graduating from Laval University with a specialized Bachelor of Arts in Political Science (International Relations) Lortie joined the Department of External Affairs, in 1971. His responsibilities there included deployments to Tunisia and Washington, D.C. In 1985, Lortie joined the Prime Minister's Office responsible for international media relations before being assigned as press secretary in 1987.