Kaja Kajzer

Kaja Kajzer
Personal information
Born (2000-01-31) 31 January 2000
OccupationJudoka
Sport
Country Slovenia
SportJudo
Weight class‍–‍57 kg, ‍–‍63 kg
Achievements and titles
Olympic Games5th (2020)
World Champ.R16 (2023, 2025)
European Champ. (2021, 2024)
Medal record
Women's judo
Representing  Slovenia
European Championships
2021 Lisbon ‍–‍57 kg
2024 Zagreb ‍–‍57 kg
IJF Grand Slam
2023 Antalya ‍–‍57 kg
IJF Grand Prix
2019 Perth ‍–‍57 kg
2020 Tel Aviv ‍–‍57 kg
2025 Linz ‍–‍63 kg
2018 Agadir ‍–‍57 kg
2019 Antalya ‍–‍57 kg
2017 Tashkent ‍–‍57 kg
2018 Tashkent ‍–‍57 kg
2021 Zagreb ‍–‍57 kg
2023 Zagreb ‍–‍57 kg
2024 Linz ‍–‍57 kg
2025 Lima ‍–‍63 kg
World Juniors Championships
2018 Nassau ‍–‍57 kg
European Cadet Championships
2016 Vantaa ‍–‍57 kg
European Youth Olympic Festival
2017 Poreč ‍–‍57 kg
Profile at external databases
IJF18836
JudoInside.com94633
Updated on 13 October 2025

Kaja Kajzer (born 31 January 2000) is a Slovenian judoka. She won the silver medals in the women's 57 kg event at the 2021 European Judo Championships held in Lisbon, Portugal and at the 2024 European Judo Championships held in Zagreb, Croatia.

Kajzer made her Olympic debut in 2021, when she competed in the women's 57 kg event at the 2020 Summer Olympic Games in Tokyo, Japan and finished in the 5th place. She also competed in the women's 57 kg event at the 2024 Summer Olympics held in Paris, France.