The canton of Châlons-en-Champagne-2 is an administrative division of the Marne department, northeastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Châlons-en-Champagne.
It consists of the following communes:
Coordinates: 48°58′N 4°22′E / 48.96°N 4.37°E