Quiévrain is a Walloon municipality located in the Belgian province of Hainaut. On 1 January 2006, the municipality had 6,559 inhabitants. The total area is 21.22 km², giving a population density of 309 inhabitants per km².
The municipality contains the following population centres: Quiévrain proper, Baisieux, and Audregnies.
Quiévrain is the border crossing point on the old main Paris-Brussels railway line. As a result, Belgians humorously refer to France as outre-Quiévrain.
In the closing days of the First World War, Quiévrain was liberated by the Canadian Expeditionary Force on November 7, 1918, and marks the starting point of the Canadian Route of Remembrance in Belgium.