Kaja Korošec (born 17 November 2001) is a Slovenian footballer who plays as a midfielder for Paris FC and the Slovenia women's national team.

The 2018–19 season brought Korošec her first league title, and also won the double after winning the Slovenian Cup.

[3] In August 2019, Korošec made her UEFA Women's Champions League debut as Pomurje faced Cardiff Met.

[5] Her first competitive appearance came in November 2017 in a 5–0 victory over Faroe Islands shortly after her 16th birthday.

[6] On 4 October 2019, Korošec scored her first international goal in a 4–2 defeat against the Netherlands in the UEFA Women's Euro 2022 qualifiers.