Wioletta Kryza also known as Violetta Kryza (born August 10, 1968) is a Polish long-distance runner who is a national champion in the marathon.
Between September 20, 1992 and December 2, 2007, Kryza won 26. Kryza's first marathon victory was at the 1992 Montreal International Marathon where she is a three-time champion of the event. Her last victory was at the 2007 California International Marathon. Kryza also won the Zwei Länder Marathon five consecutive times between 1996 and 2000.
She won the 2002 Pittsburgh Marathon, but was disqualified and suspended for two-years for failing a drug test. In 2012 she failed another test and was suspended for 8 years.
Kryza holds Poland's all-comers record in the women's marathon.