Fortier is a surname. Notable people with the surname include:
Alcée Fortier, professor of language and folklore, New Orleans
Charles Fortier, hockey player
Chris Fortier, DJ
Claude Fortier, physiologist
Donald Fortier, member of U.S. intelligence community
François-Edmond Fortier (1862–1928), French photographer
Michael Fortier, Canadian politician
Michael Fortier (American), accomplice in Oklahoma City bombing
Moïse Fortier, Quebec politician
Yves Fortier (geologist), former head of the Geological Survey of Canada
Yves Fortier (lawyer), Canadian diplomat, lawyer and business executive
