Kaja Juvan (born 25 November 2000) is a Slovenian tennis player who turned professional on 17 October 2016. Juvan has a career-high singles ranking of world No. 68, achieved on 23 May 2022, and peaked at No. 120 in the doubles rankings on 7 March 2022.
She won her maiden WTA Tour doubles title at the 2021 Winners Open in Cluj-Napoca, partnering Natela Dzalamidze.