1988 Speedway Under-21 World Championship
| World Under-21 Championship | |
|---|---|
| Venue | Slaný Speedway Stadium |
| Location | Slaný, Czechoslovakia |
| Start date | 10 July 1988 |
The 1988 Individual Speedway Junior World Championship was the 12th edition of the World motorcycle speedway Under-21 Championships. It was the first Championship open to all nations, which was why it was renamed the World Under-21 Championship from the European Under-21 Championship.
The event was won by Peter Nahlin of Sweden.