Sławomir Kuczko (born 25 June 1985 in Koszalin) is a Polish swimmer, whose specialty is the breaststroke. He is a European champion, having won the men's 200 m breaststroke at the 2006 European Championships.
In 2006, he also set the Polish Record in the short-course 200 breaststroke at 2:06.61 at the 2006 Short Course European Championships.
In 2012, Kuczko represented Poland at the Olympic Games, swimming the 200 m breaststroke. He placed second in heat no. 2, not qualifying to advance to the semi-finals.