Jakub 'Kuba' Smrž[1] (born 7 April 1983 in České Budějovice, Czechoslovakia) is a professional motorcycle road racer.

[4] For 2015 Smrž was contracted to ride a Ducati Panigale in the British Superbike Championship for Moto Rapido Racing, but after a crash and injury in the fourth round at Snetterton, was replaced mid-season by John Hopkins.

For 2007 he was the surprise choice to replace Roberto Rolfo at the formerly race-winning SC Caracchi Ducati team in the Superbike World Championship.

For 2008 he rode a customer Ducati 1098 RS 08 for the Guandalini Racing by Grifo's team.

[5] After a string of mechanical failures midseason, the team switched to an Aprilia bike, marking the first time Smrž had ridden anything other than a Ducati in the class.