Nikola Sedlak (amụrụ na 13 Disemba 1983) bụ onye Serbia na-egwu egwuregwu chess nke na-ejide utu aha nke Grandmaster (GM) (2003), onye mmeri nke Chess Championship nke Serbia (2010), onye mmeri ọla edo nke Chess Olympiad (2014).
), onye mmeri nke EU Individual Open Chess Championship (2007).