Gmina Ślesin is an urban-rural gmina (administrative district) in Konin County, Greater Poland Voivodeship, in west-central Poland. Its seat is the town of Ślesin, which lies approximately 17 kilometres (11 mi) north of Konin and 95 km (59 mi) east of the regional capital Poznań.
The gmina covers an area of 145.69 square kilometres (56.3 sq mi), and as of 2006 its total population is 13,446 (out of which the population of Ślesin amounts to 3,102, and the population of the rural part of the gmina is 10,344).