The 2008 AIBA Youth World Boxing Championships were held in Guadalajara, Mexico, from October 31 to November 1, 2008. It was the first edition of the AIBA Youth World Boxing Championships which had taken over from the Junior World Championship. The competition is under the supervision of the world's governing body for amateur boxing AIBA and is the junior version of the World Amateur Boxing Championships.
A total of 359 fighters from 68 different countries registered to compete in the inaugural edition of the competition.[1]
| Light Flyweight ( - 48 kilograms) |  Nanao SinghIndia |  Grigoriy NikolaychukRussia |  Luis DiazDominican Republic  Jeremy BeccuFrance | |
| Flyweight ( - 51 kilograms) | Jonathan González Puerto Rico |  Yunier Robles GongoraCuba |  Bunyodbek MashrapovUzbekistan  Adam LopezUSA | |
| Bantamweight ( - 54 kilograms) | Magomed Kurbanov Russia | Andrei Razvan Romania |  Timacoy WilliamsAustralia  Matti KootaFinland | |
| Featherweight ( - 57 kilograms) |  Óscar ValdezMexico | Maxim Dadashev Russia | Marin Dragos Romania  Oleg ShefferUkraine | |
| Lightweight ( - 60 kilograms) | Raymond Moylette Ireland |  Daniyar YeleussinovKazakhstan | Vage Saruhanyan Russia  Alexey HaletsichBelarus | |
| Light Welterweight ( - 64 kilograms) | Frank Isla Cuba | Jamie Kavanagh Ireland |  Zdenek ChladekCzech Republic Uktamjon RahmonovUzbekistan | |
| Welterweight ( - 69 kilograms) | Óscar Molina Mexico | Boturjon Mahmudov Uzbekistan | David Joe Joyce Ireland Sadulai Abdulai Germany | |
| Middleweight ( - 75 kilograms) | Rey Eduardo Recio Cuba | Enrico Koelling Germany | Dmitry Bivol Russia Luis AriasUSA | |
| Light Heavyweight ( - 81 kilograms) | Jose Larduet Cuba | Marten Magomedov Russia | Tommy McCarthy Ireland  Gianluca RosciglioneItaly | |
| Heavyweight ( - 91 kilograms) | Erislandy Savón Cuba | Ivan Dychko Kazakhstan | Aurel Manole Romania  Marcin SiwyPoland | |
| Super Heavyweight (+ 91 kilograms) | Joseph Dawejko USA | Eric Brechlin Germany | Omar Ibanez Cuba Egor PlevakoUkraine |