Favreau is a surname. Notable people with the surname include:
Bertrand Favreau (born 1947), French lawyer Guy Favreau (1917–1967), Canadian lawyer, politician, and judge Jon Favreau (born 1966), American actor, director, producer, and screenwriter Jon Favreau (speechwriter) (born 1981), American political commentator Karen Favreau (1968–2010), American comic Marc Favreau (1929–2005), French Canadian humorist, film actor, and poet Réal Favreau, Canadian jurist Robert Favreau (born 1948), Canadian film director and film editor