Châlons may refer to:
France
- Châlons-en-Champagne (formerly Châlons-sur-Marne), a town in Marne département
- Camp de Châlons, a temporary firing range near the French town, set up to host events for the 1924 Paris Summer Olympics
- Roman Catholic Diocese of Châlons, with its seat in Châlons-en-Champagne
- Battle of Châlons (274), fought between the Roman Empire and the Gallic Empire
- Battle of the Catalaunian Plains (451), also called the Battle of Châlons, fought between the Huns and the Romans
- CO Châlons, a defunct football club from the town
- Communauté d'agglomération de Châlons-en-Champagne, communauté d’agglomération centred on the town
- Châlons-sur-Vesle, a village in the Marne département
- Châlons-du-Maine, village in the Mayenne département
- Chalon (formerly Châlons), a village in the Isère département