Gmina Brześć Kujawski is an urban-rural gmina (administrative district) in Włocławek County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. Its seat is the town of Brześć Kujawski, which lies approximately 12 kilometres (7 mi) south-west of Włocławek and 52 km (32 mi) south of Toruń. The gmina covers an area of 150.44 square kilometres (58.1 sq mi), and as of 2006 its total population is 11,066, of which the population of Brześć Kujawski is 4,522, and the population of the rural part of the gmina is 6,544.