The 2016 Individual Speedway Junior World Championship was the 40th edition of the FIM World motorcycle speedway Under-21 Championships.

[1][2] It was staged over three rounds, at King's Lynn, Pardubice and Gdańsk.

Finishing in second place was Polish rider Krystian Pieszczek with 40 points while British rider Robert Lambert defeated Australia's Jack Holder (the younger brother of 2012 World Champion Chris Holder) in a run-off in the final round in Poland to claim 3rd place after both riders finished the series on 37 points.

The FIM Speedway Under 21 World Champion was the rider who collected most World Championship points at the end of the series.

In case of a tie between one or more riders in the final overall classification, a run-off decided the 1st, 2nd and 3rd places.