Jesper Knudsen (born 11 July 2004) is a speedway rider from Denmark.
Knudsen is a product of the Skaerbaek Motor Club and was the 250cc world champion in 2020. He signed for Unia Leszno in the Polish Ekstraliga.
In 2022, he achieved his greatest feat to date after winning the European Individual Junior Championship in Hungary. Also in 2022, he helped SES win the 2022 Danish Super League.
In 2024, he qualified for the final series of the 2024 SGP2 (the World U21 Championship).
His older brother Jonas Knudsen is also a professional speedway rider.