Gmina Suchowola is an urban-rural gmina (administrative district) in Sokółka County, Podlaskie Voivodeship, in north-eastern Poland. Its seat is the town of Suchowola, which lies approximately 33 kilometres (21 mi) north-west of Sokółka and 52 km (32 mi) north of the regional capital Białystok.
The gmina covers an area of 255.89 square kilometres (98.8 sq mi), and as of 2006 its total population is 7,350 (out of which the population of Suchowola amounts to 2,243, and the population of the rural part of the gmina is 5,107).
