Jesika Malečková (born 16 August 1994) is a Czech tennis player.
Malečková has won 11 singles and 22 doubles titles on the ITF Circuit. On 20 June 2016, she reached her best singles ranking of world No. 191. On 28 November 2022, she peaked at No. 97 in the doubles rankings.
In April 2016, Malečková made her WTA Tour main-draw debut at the 2016 Katowice Open where she received entry as a lucky loser. In qualifying, she had defeated Mandy Minella and Renata Voráčová, falling short in the final round to Isabella Shinikova. In the main draw, she lost to seventh seed Tímea Babos in round one.
In September 2022, she reached her first WTA Challenger final at the Budapest Open, alongside compatriot Renata Voráčová.
In May 2023, at the $60k Prague Open, she won the doubles title alongside Maja Chwalińska. A month later, she won the singles title at a $25k event in Annenheim, Austria. During the grass-court season, she reached another doubles final at the $100k Ilkley Trophy, again with Chwalińska, but they finished runners-up.