Jirí Lehecka (born 8 November 2001) is a Czech tennis player.
Lehecka has a career high ITF junior combined ranking of 11 achieved on 21 January 2019.
Lehecka has a career high ATP singles ranking of 536 achieved on 6 May 2019.
He also has a career high ATP doubles ranking of 1171 achieved on 17 December 2018.
Lehecka represents the Czech Republic at the Davis Cup, where he has a W/L record of 0–1.
He made his debut at the 2019 Davis Cup Qualifying Round against Robin Haase of the Netherlands.