Sedletín is a village and municipality (obec) in Havlíčkův Brod District in the Vysočina Region of the Czech Republic.
The municipality covers an area of 7.26 square kilometres (2.80 sq mi), and has a population of 289 (as at 3 July 2006).
Sedletín lies approximately 13 kilometres (8 mi) north of Havlíčkův Brod, 36 km (22 mi) north of Jihlava, and 92 km (57 mi) south-east of Prague.