Wólka Kosowska [ˈvulka kɔˈsɔfska] is a village in the administrative district of Gmina Lesznowola, within Piaseczno County, Masovian Voivodeship, in east-central Poland.

Wólka Kosowska has businesses ran by Asian immigrants, mostly Chinese and Vietnamese, centered at a local shopping centre.

[7][8][9][10] On 14 March 2013, five men carried out an armed robbery of escorts transporting more than 4.2 million złotys to a local bank.

The escorts were shot, and, according to a press release from the prosecutor's office, survived only thanks to bulletproof vests.

[11] In 2017, the Polish Internal Security Agency and Border Guard cracked down on several illegal casinos likely run by an Asian criminal group.