Poirier is a French surname, meaning pear tree (cf. poire). Notable people with the surname include: * Anne and Patrick Poirier, French artists * Dustin Poirier, Acadian-American mixed martial arts fighter * Claude Poirier, French-Canadian television journalist * Denise Poirier, American voice actress * Denise Poirier-Rivard, French-Canadian politician from Quebec * Dominique Poirier, French-Canadian journalist and diplomat * Ghislain Poirier, French-Canadian DJ and record producer * Gregory Poirier, American film and television writer, director, and producer * Jean Poirier, Canadian politician from Ontario * Jennifer Poirier, American politician from Maine * Kim Poirier, French-Canadian actress, singer, film producer, and television host * Luc Poirier, French-Canadian professional wrestler known as Rambo * Lyne Poirier, French-Canadian judoka * Manuel Poirier, French film director * Mark Poirier, American novelist and screenwriter * Narcisse Poirier, French-Canadian artist * Normand Poirier, American writer of French-Canadian descent * Pascal Poirier, French-Canadian author, lawyer, and politician from New Brunswick * Paul Poirier, Canadian ice dancer * Richard Poirier, American literary critic * Rose-May Poirier, French-Canadian politician from New Brunswick * Vincent Poirier, French basketball player

See also