Chateauguay
Chateauguay may refer to:
- Miscellaneous
- Charles le Moyne de Longueuil et de Châteauguay (1626–1685), French-born soldier and Lord in New France
- Battle of the Chateauguay
- HMCS Chateauguay, the Joint Support Ship Project Queenston-class ship
- Places
- Châteauguay, suburb of Montreal
- Chateauguay River
- Chateauguay Valley
- Electoral districts
- Châteauguay (electoral district), former federal electoral district
- Châteauguay—Huntingdon, former federal electoral district
- Châteauguay—Huntingdon—Laprairie, former federal electoral district
- Châteauguay—Saint-Constant, current federal electoral district
- Châteauguay (provincial electoral district), in Quebec