|Coordinates (Kotlin): Coordinates:|
|• Total||84.08 km2 (32.46 sq mi)|
|• Density||85/km2 (220/sq mi)|
Gmina Kotlin is a rural gmina (administrative district) in Jarocin County, Greater Poland Voivodeship, in west-central Poland. Its seat is the village of Kotlin, which lies approximately 13 kilometres (8 mi) south-east of Jarocin and 74 km (46 mi) south-east of the regional capital Poznań.
The gmina covers an area of 84.08 square kilometres (32.5 sq mi), and as of 2006 its total population is 7,124.