arrondissement of Châlons-en-Champagne (arrondissement de Châlons-en-Champagne)
- arrondissement of France
- Country:
- Capital: Châlons-en-Champagne
- Coordinates: 48° 55' 0" N, 4° 20' 0" E
- GPS tracks (wikiloc): [Link]
- Area: 1778 sq km
- Population: 103441
- Wikipedia en: wiki(en)
- Wikipedia: wiki(fr)
- Wikidata storage: Wikidata: Q585380
- Freebase ID: [/m/0954fl]
- GeoNames ID: Alt: [3027486]
- Library of Congress authority ID: Alt: [n85068631]
- INSEE arrondissement code: [511]
Includes regions:

canton of Châlons-en-Champagne-2
- canton of France
- Country:
- Capital: Châlons-en-Champagne
- Coordinates: 48° 57' 0" N, 4° 22' 0" E
- GPS tracks (wikiloc): [Link]
- Population: 25789

canton of Châlons-en-Champagne-1
- canton of France
- Country:
- Capital: Châlons-en-Champagne
- Coordinates: 48° 57' 0" N, 4° 22' 0" E
- GPS tracks (wikiloc): [Link]
- Population: 27389

canton of Écury-sur-Coole
- canton of France (until March 2015)
- Country:
- Capital: Écury-sur-Coole
- Coordinates: 48° 53' 43" N, 4° 20' 3" E
- GPS tracks (wikiloc): [Link]

canton of Châlons-en-Champagne-3
- canton of France
- Country:
- Capital: Châlons-en-Champagne
- Coordinates: 48° 57' 0" N, 4° 22' 0" E
- GPS tracks (wikiloc): [Link]
- Population: 25399
canton of Châlons-en-Champagne-4
- canton of France (until March 2015)
- Country:
- Capital: Châlons-en-Champagne
- Coordinates: 48° 57' 0" N, 4° 22' 0" E
- GPS tracks (wikiloc): [Link]