Réka Luca Jani (born 31 July 1991) is a Hungarian tennis player. She has won 23 singles titles and 33 doubles titles on the ITF Circuit. On 7 May 2012, she reached her best singles ranking of world No. 147. On 22 August 2016, she peaked at No. 124 in the WTA doubles rankings. Her favorite surface is clay.
Hontama made her WTA Tour main-draw debut at the 2021 Chicago Fall Tennis Classic, after qualifying for the main draw. She reached the quarterfinals, defeating former world No. 4, Caroline Garcia, in the first round, before falling to Garbiñe Muguruza. Hontama wears Lacoste clothing, and uses Tecnifibre racquets.