| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Ku•Yong-Mook |
| Used name | Ku•Yong-Mook |
| Name order | Oriental |
| NOC | Republic of Korea |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Volleyball (Volleyball) | KOR |
Ku Yong-Mook | ||||
| Volleyball, Men (Olympic) | Match #10 | Czechoslovakia — Bulgaria | Referee #2 | ||||
| Volleyball, Men (Olympic) | Match #30 | Romania — Hungary | Referee #2 | ||||
| Volleyball, Men (Olympic) | Match #38 | Brazil — United States | Referee #2 | ||||
| Volleyball, Women (Olympic) | Match #5 | Japan — Romania | Referee #2 | ||||
| Volleyball, Women (Olympic) | Match #10 | Soviet Union — United States | Referee #2 |