2021 Speedway Under-21 World Championship

The 2021 Individual Speedway Under 21 World Championship was the 45th edition of the FIM Individual Under-21 World Championship. It was staged over three rounds, at Stralsund, Krosno and Pardubice.

Pole Jakub Miśkowiak won the title after winning two of the three rounds. It was the last time that the event was known as the Under 21, with a rebranding to SGP2 taking place in 2022.