Kotuń [ˈkɔtuɲ] is a village in Siedlce County, Masovian Voivodeship, in east-central Poland.

[2] It lies approximately 14 kilometres (9 mi) west of Siedlce and 74 km (46 mi) east of Warsaw.

Kotun is home to the Museum of Firefighting (Muzeum Pożarnictwa), a branch of the Regional Museum in Siedlce.

The collection includes more than 1,300 exhibits, including the largest collection of hand-held fire extinguishers in Poland, and various other equipment.

This Siedlce County location article is a stub.