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