Ivo Klec (born 28 November 1980) is a Slovak former tennis player. He played mainly on the ATP Challenger Tour. On the ITF Futures circuit, he has claimed 29 titles, 14 singles and 15 doubles. In addition, he has also won two ATP Challenger doubles titles.
During his career, he was suspended for 2 years on corruption charges. He subsequently did not work with the ITIA's investigation.