Urmas Klaas (born on 17 March 1971 Räpina) is an Estonian politician. Since 2014 he is the mayor of Tartu. Since 2006 he belongs to Estonian Reform Party. 1998 he graduated from University of Tartu. 2004-2007 Ummi was elder of Põlva County (Estonian: Põlva maavanem). He has been member of the Riigikogu since 2007.