Kaja Grobelna (born 4 January 1995 in Radom) is a Belgian volleyball player of Polish origin, playing as an opposite spiker.
Since the 2018/2019 season, she has played for Unet E-Work Busto Arsizio. Then played for the Chieri '76 Volleyball.
Now, she is currently playing for the Queenseis Kariya for the 2024/2025 season.
On June 26, 2025, she signed with Galatasaray of the Turkish Sultanlar Ligi.
She played for the Belgium women's national volleyball team, at the 2017 FIVB Volleyball World Grand Prix.
Belgian Super Cup:
Belgian Cup:
German Championship:
Polish Super Cup:
Polish Cup:
CEV Cup:
Challenge Cup:
WEVZA Cup:
Individual awards