Lajoie may refer to:
People Aimee La Joie, American actress Andrée Lajoie (born 1933), Canadian jurist and academic Bill Lajoie (1934–2010), American baseball player and general manager Claude Lajoie (1928–2015), Canadian Liberal Party member Corey LaJoie (born 1991), American race car driver, son of Randy LaJoie Jon Lajoie (born 1980), Canadian comedian, actor, and internet celebrity Marjorie Lajoie (born 2000), Canadian ice dancer Maxime Lajoie (born 1997), Canadian professional ice hockey player Michel Lajoie (fl. 2014), American politician Nap Lajoie (1874–1959), American baseball player Randy LaJoie (born 1961), American race car driver, father of Corey LaJoie
Places Lajoie Dam, a storage dam in British Columbia, Canada Lajoie Lake, usually known as Little Gun Lake, a small lake in British Columbia, Canada
See also Alexandre Bareil, dit Lajoie (1822–1862), Canadian farmer and political figure Frédéric Lajoie-Gravelle (born 1993), Canadian soccer player Gérin-Lajoie, a list of people with the surname Gérin-Lajoie family