Duplantier

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