Margot Klestil-Löffler is an Austrian diplomat, former First Lady of Austria from 1998 to 2004, and the widow of Thomas Klestil, the former federal president of Austria. She served as the Austrian Ambassador to the Czech Republic from 2004 to 2009 and Ambassador to Russia 2009 to 2014. She has been serving as Russia envoy under Foreign Minister Karin Kneissl since 2018.