Yoshiaki Demachi
| full name | Yoshiaki Demachi | |
| nationality | Japan (JPN) | |
| local spelling | 出町 嘉明 | |
| born | August 1943 | in unknown |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 0 | 0 | 2 |
Championships - Results
| year | position | championship | place | |
| 1968 | 21 | Olympic Games 5000 meters | Grenoble | FRA |
| 22 | Olympic Games 10,000 meters | Grenoble | FRA | |
