Kenneth Luke Prokopec (born 23 February 1978) is an Australian-born, right-handed pitcher who played in Major League Baseball for the Los Angeles Dodgers and Toronto Blue Jays. While with the Dodgers in 2000 and 2001, the tandem of Prokopec and fellow Australian Jeff Williams gained considerable popularity in the Los Angeles area. However, the attention was short lived, as both moved on to other franchises. Prokopec was traded to Toronto on 13 December 2001 with in exchange for César Izturis and Paul Quantrill.