Grzegorz Knapp (18 March 1979 – 22 June 2014) was a Polish speedway and ice speedway rider who rode for GTŻ Grudziądz in the Polish Speedway First League.

[1][2][3] Knapp rode in the Team Speedway Polish Championship from 1997 to 2009.

He rode primarily for GTŻ Grudziądz but also appeared for Lublin, Wybrzeże Gdańsk and Kolejarz Rawicz.

[4] Knapp died on 22 June 2014, aged 35, after a fatal accident during a speedway race.

[5][6] This biographical article relating to Polish speedway is a stub.