Duplantier is a surname. People with the surname include:
- Adrian G. Duplantier (1929–2007), United States District Judge
- Armand Duplantier (1753–1827), French cavalry officer in the American Revolutionary War
- Joe Duplantier (born 1976), French-American musician
- Jon Duplantier (born 1994), American baseball player
- Mario Duplantier (born 1981), French-American musician, brother of Joe
Surname listThis page lists people with the surname Duplantier. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: