The 2003 Individual Speedway Junior World Championship was the 27th edition of the World motorcycle speedway Under-21 Championships.[1][2][3]
The final was won by Jarosław Hampel of the Poland.[4][5]
m - exclusion for exceeding two minute time allowance • t - exclusion for touching the tapes • x - other exclusion • e - retired or mechanical failure • f - fell • ns - non-starter • nc - non-classify
+ Martin Smolinski replaced the injured Krzysztof Kasprzak (3rd in semi-final A).