| Discipline | Gold | Silver | Bronze |
| Up to 48 kg | Francisco Rodriguez ( VEN ) | Chi Young Joo ( KOR ) | Hubert Skszczczak ( POL ) |
| Harlan Marbley ( USA ) |
| Up to 51 kg | Ricardo Delgado ( MEX ) | Arthur Oleh ( POL ) | Cervilio de Oliveira ( BRA ) |
| Leo the Slave ( UGA ) |
| Up to 54 kg | Valerian Sokolov ( URS ) | Eridadi Mukwang ( UGA ) | Eiji Morioka ( JPN ) |
| Jang Kyu Chul ( KOR ) |
| Up to 57 kg | Antonio Roldan ( MEX ) | Albert Robinson ( USA ) | Philip Warwing ( KEN ) |
| Ivan Mikhailov ( BUL ) |
| Up to 60 kg | Ronnie Harris ( USA ) | Jozef Grudzen ( POL ) | Zvonimir Vuin ( YUG ) |
| Calistrat Kutsov ( ROM ) |
| Up to 63.5 kg | Jerzy Kulei ( POL ) | Enrique Regueiferos ( CUB ) | Arto Nilsson ( FIN ) |
| James Wallington ( USA ) |
| Up to 67 kg | Manfred Wolke ( GDR ) | Joseph Bessala ( CMR ) | Mario Guilloti ( ARG ) |
| Vladimir Musalimov ( URS ) |
| Up to 71 kg | Boris Lagutin ( URS ) | Rolando Garbey ( CUB ) | John Baldwin ( USA ) |
| Gunther Mayer ( FRG ) |
| Up to 75 kg | Chris Finnegan ( GBR ) | Alexey Kiselev ( URS ) | Agustin Zaragoza ( MEX ) |
| Alfred Jones ( USA ) |
| Up to 81 kg | Dan Pozniak ( URS ) | John Monya ( ROM ) | George Stankov ( BUL ) |
| Stanislav Dragan ( POL ) |
| Over 81 kg | George Foreman ( USA ) | Jonas Chepoulis ( URS ) | Giorgio Bambini ( ITA ) |
| Joaquin Rocha ( MEX ) |