Leoš Friedl (born 1 January 1977) is a retired Czech tennis player. Friedl's career-high ATP doubles ranking was No. 14, achieved on 8 August 2005. He often partnered in doubles with František Čermák. His career-high ATP singles ranking was No. 353, achieved on 13 November 2000. In his career, he won 16 ATP Tour doubles titles and the 2001 Wimbledon mixed-doubles title with Daniela Hantuchová, where they beat Mike Bryan and Liezel Huber, 4–6, 6–3, 6–2. Friedl coached Karolína Plíšková from July to December 2022.

Grand Slam finals

Mixed doubles: 1 (1 title)

ATP career finals

Doubles: 32 (16 titles, 16 runner-ups)

ATP Challenger and ITF Futures Finals

Singles: 1 (0–1)

Doubles: 34 (16–18)

Performance timelines

Doubles

Mixed doubles