| Stefan Niesiołowski | |
|---|---|
| Member of Sejm 2007-2011 | |
| In office September 25, 2005 – ? |
|
| Personal details | |
| Born | 1944 |
| Nationality | Polish |
| Political party | Civic Platform |
Stefan Konstanty Myszkiewicz-Niesiołowski (Polish pronunciation: [ˈstɛfan ɲeɕɔˈwɔfskʲi], born February 4, 1944 in Kałęczew) is a Polish politician and member of Civic Platform.