| 2004 Men's European Union Boxing Championships | |
| Host City: | Madrid |
| Country: | Spain |
| Athletes: | 92 |
| Dates: | 20–27 June |
| Previous: | 2003 |
The Men's 2004 European Union Amateur Boxing Championships were held in Madrid, Spain from June 20 to June 27.
The 4th edition of the annual competition was organised by the European governing body for amateur boxing, EABA. A total number of 92 fighters from across Europe competed at these championships.
| Light Flyweight ( - 48 kilograms) |  Salim SalimovBulgaria |  Łukasz MaszczykPoland |  Vladislavas SokolovasLatvia  Redouane AsloumFrance | |
| Flyweight ( - 51 kilograms) |  Alfonso PintoItaly | Jérôme Thomas France |  Rudolf DydiSlovakia Aleksander WładimirowBulgaria | |
| Bantamweight ( - 54 kilograms) | Detelin Dalakliev Bulgaria |  Zsolt BedakHungary | Ali Hallab France  Bogdan DobrescuRomania | |
| Featherweight ( - 57 kilograms) | Aleksiej Szajdulin Bulgaria | Viorel Simion Romania | Krzysztof Szot Poland Khedafi DjelkhirFrance | |
| Lightweight ( - 60 kilograms) | Domenico Valentino Italy |  Selçuk AydınTurkey |  Marios KaperonisGreece David Mulholland England | |
| Light Welterweight ( - 64 kilograms) | Boris Georgijew Bulgaria |  Jose GuttierezSpain | Abdulkadir Kuroglu Turkey Tibor DudasHungary | |
| Welterweight ( - 69 kilograms) | Bulent Ulusoy Turkey | Vilmos Balogh Hungary | Neil Perkins England Stefan DragomirRomania | |
| Middleweight ( - 75 kilograms) | Marian Simion Romania |  Andy LeeIreland | Robert Gniot Poland Georgios GazisGreece | |
| Light Heavyweight ( - 81 kilograms) | İhsan Yıldırım Tarhan Turkey | Aleksy Kuziemski Poland | Constantin Bejenaru Romania Tony Jeffries England | |
| Heavyweight ( - 91 kilograms) | Kubrat Pulev Bulgaria |  Vitaljus SubaciusLithuania | Sergio Castano Spain  Dieter RothGermany | |
| Super Heavyweight (+ 91 kilograms) | Roberto Cammarelle Italy | Mariusz Wach Poland | Mohamed Samoudi France Siergiej RożnowBulgaria |