Zawisza Bydgoszcz is a sports club from Bydgoszcz, Poland, founded in 1946. Its name commemorates a legendary Polish 15th-century knight, Zawisza Czarny. The club holds many sections: football, track and field athletics, boxing, rowing, canoeing, weightlifting, gymnastics, shooting, and parachuting ones.

Zawisza the Black of Garbów, of Sulima coat of arms, was a Polish knight and nobleman who served as a commander and diplomat under Polish king Władysław II Jagiełło and Hungarian-Bohemian king Sigismund of Luxembourg. During his life, he was regarded as a model of knightly virtues and was renowned for winning multiple tournaments.