2003 Speedway Under-21 World Championship

The 2003 Individual Speedway Junior World Championship was the 27th edition of the World motorcycle speedway Under-21 Championships.

The final was won by Jarosław Hampel of the Poland.

World final

 * 13 September 2003
 * Kumla Speedway, Kumla

+ Martin Smolinski replaced the injured Krzysztof Kasprzak (3rd in semi-final A).