Jiří Veselý (Czech pronunciation: [ˈjɪr̝iː ˈvɛsɛliː]; born 10 July 1993) is a Czech professional tennis player. He reached a career-high singles ranking of world No. 35 on 27 April 2015.
Veselý is perhaps best known for being one of the three players to have defeated Novak Djokovic multiple times with no losses throughout his career (along with Marat Safin and Alejandro Tabilo).