Kolonka [kɔˈlɔnka] is a village in the administrative district of Gmina Pionki, within Radom County, Masovian Voivodeship, in east-central Poland.

During the World War II in the Kolonka's forest was a guerrilla group of Armia Krajowa.

Lieutenant "Longin" Dąbkowski and Stanisław Siczek "Jeleń" took the command of this group.

In Kolonka is the stadium of People's Sport Club "Jodła Jedlnia-Letnisko" (since 1949).

This Radom County location article is a stub.