1912–13 in Belgian football

The 1912–13 season was the 18th season of competitive football in Belgium.

Overview
Union Saint-Gilloise won the first ever "double" in Belgian football history by winning the Division I (in a test match against holder Daring Club de Bruxelles) as well as the second edition of the Belgian Cup.

National team
* Belgium score given first

Key
 * H = Home match
 * A = Away match
 * N = On neutral ground
 * F = Friendly
 * o.g. = own goal