Julia Atena Szeremeta (born 24 August 2003) is a Polish amateur boxer in the featherweight division.

She initially trained at MKS II LO Chełm, and after graduating from junior high school, she became a competitor for Paco Lublin.

[3][4][5] A year later, she competed at the 2023 European Games, where she finished in 5th place in the 57 kg category[6] after losing in the quarterfinals to Bulgarian Svetlana Staneva,[7][8] and also became the European youth champion in the same category after defeating Bojana Gojković from Montenegro in the final.

[15] In the semifinal, she won against Nesthy Petecio from the Philippines and advanced to the final,[16] which she lost to Lin Yu-ting of Chinese Taipei by unanimous decision.

[18] After the Olympics, Szeremeta was awarded a Silver Medal of Merit for National Defence[19] and a Knight's Cross of the Order of Polonia Restituta.