Back بطولة العالم للناشئين لألعاب القوى 2008 Arabic بطولة العالم للناشئين لالعاب القوى 2008 ARZ Mistrovství světa juniorů v atletice 2008 Czech Leichtathletik-Juniorenweltmeisterschaften 2008 German Campeonato Mundial Junior de Atletismo de 2008 Spanish 2008. aasta juunioride kergejõustiku maailmameistrivõistlused Estonian Yleisurheilun alle 20-vuotiaiden maailmanmestaruuskilpailut 2008 Finnish Championnats du monde juniors d'athlétisme 2008 French 2008-as junior atlétikai világbajnokság Hungarian Campionati del mondo juniores di atletica leggera 2008 Italian
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| Host city |  Bydgoszcz, Poland |
|---|---|
| Nations | 165 |
| Athletes | 1408 |
| Events | 44 |
| Dates | 8–13 July |
| Main venue | Zdzisław Krzyszkowiak Stadium |
The 2008 World Junior Championships in Athletics is the 2008 version of the World Junior Championships in Athletics. It was held in Bydgoszcz in Poland at the Zdzisław Krzyszkowiak Stadium between 8 and 13 July 2008. Previously Bydgoszcz hosted the 1999 World Youth Championships.
The United States topped the medal table with 17 medals overall, including 11 golds, ahead of Germany and Kenya.