Lanthier

Lanthier may refer to:


 * Claude Lanthier (1933–2015), Canadian politician
 * Jean-Marc Lanthier (ice hockey) (born 1963), professional ice hockey player from Quebec
 * Jean-Marc Lanthier (Canadian Army officer), Canadian Army officer
 * Jennifer Lanthier (born 1964), Canadian children's author and journalist
 * Richard Lanthier, member of the Canadian rock band April Wine