The 2023 Brazilian Jiu-Jitsu European Championship, officially called the 2023 European Jiu-Jitsu IBJFF Championship, was an international jiu-jitsu tournament organised in Europe by the International Brazilian Jiu-Jitsu Federation (IBJFF). It was held between 23 and 29 January 2023 in Paris, France.

Kaynan Casemiro Duarte is a Brazilian submission grappler and Brazilian jiu-jitsu (BJJ) black belt competitor. Duarte is a two-time champion at both the ADCC Submission Fighting World Championship and World IBJJF Jiu-Jitsu Championship in the Heavyweight division.