| Event: | Men's 78 kg |
| Games: | 1984 Summer |
| Venue: | California State University, Los Angeles |
| Date: | 7 August |
| Competitors: | 38 |
| Nations: | 38 |
| Gold: | Frank Wieneke |
| Goldnoc: | FRG |
| Silver: | Neil Adams |
| Silvernoc: | GBR |
| Bronze: | Mircea Frățică |
| Bronzenoc: | ROU |
| Bronze2: | Michel Nowak |
| Bronzenoc2: | FRA |
| Prev: | 1980 |
| Next: | 1988 |
The men's 78 kg competition in judo at the 1984 Summer Olympics in Los Angeles was held on 7 August at the California State University. The gold medal was won by Frank Wieneke of West Germany.[1]
| Rank | Judoka | Nation | |
|---|---|---|---|
| 5T | Filip Lešcak | ||
| 5T | Hiromitsu Takano | ||
| 7T | Kevin Doherty | ||
| 7T | Rob Henneveld | ||
| 9T | Brett Barron | ||
| 9T | Walid Mohamed Hussain | ||
| 11 | Gaston Oula | ||
| 12T | Süheyl Yesilnur | ||
| 12T | Jorge Bonnet | ||
| 14T | António Roquete | ||
| 14T | Ousseynou Guèye | ||
| 14T | Liu Junlin | ||
| 14T | Seppo Myllylä | ||
| 14T | Per Kjellin | ||
| 14T | Jules-Albert Ndemba | ||
| 20T | Abdoulaye Diallo | ||
| 20T | Ignacio Sanz | ||
| 20T | Rogério dos Santos | ||
| 20T | Ioannis Kougialis | ||
| 20T | Sun Yih-shong | ||
| 20T | Sayed Al-Tubaikh | ||
| 20T | Moshe Ponte | ||
| 20T | Asafu Tembo | ||
| 20T | Paul Diop | ||
| 20T | Thomas Haasmann | ||
| 20T | Christophe Wogo | ||
| 20T | Mohamed Maach | ||
| 20T | Carlos Huttich | ||
| 20T | Simione Kuruvoli | ||
| 34T | Javier Condor | ||
| 34T | Fridtjof Thoen | ||
| 34T | Graeme Spinks | ||
| 34T | Li Chung Tai | ||
| 34T | Hwang Jin-su |