Janusz Kołodziej (born 27 May 1984 in Tarnów, Poland) is a Polish speedway rider who has ridden for the Polish national team and is a four times champion of Poland.

[1] Kołodziej rode in Britain for the Reading Racers in 2003 and from 2006 to 2007.

[2][3] In July 2018, during the Speedway Grand Prix Qualification he won the GP Challenge, which ensured that he claimed a permanent slot for the 2019 Speedway Grand Prix.

[7] In July 2023, he was part of the Polish team that won the gold medal in the 2023 Speedway World Cup final.

[8] Also in 2023, he won the bronze medal at the 2023 Speedway European Championship.