Sławomir Wolniak (born January 23, 1988) is a National Record holding swimmer from Poland who specializes in the breaststroke.

[1] He is a member of Poland's swim team for the 2009 World Championships, in Rome, Italy at the end to July.

[2] He swam for Poland at the 2007 World Championships in Melbourne, Australia in the 100 m and 200 m breaststrokes.

Wolniak set the Polish Records in the 50m, 100, and 200m breaststrokes at the 2009 Polish Nationals (50m) in Ostrowiec Świętokrzyski, Poland, May 21–24.

This biographical article related to a Polish swimmer is a stub.