Mikio Oyama
| full name | Mikio Oyama | |
| nationality | Japan (JPN) | |
| local spelling | 大山 三喜雄 | |
| born | October 1955 | in Obihiro, Hokkaidō (Japan) |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 0 | 0 | 2 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 1 |
| WCh Sprint | 0 | 0 | 0 | 0 | 0 | 4 |
Championships - Results
| year | position | championship | place | |
| 1976 | 18 | Olympic Games 500 meters | Innsbruck | AUT |
| 24 | Olympic Games 1000 meters | Innsbruck | AUT | |
| 16 | WCh Sprint | West Berlin | FRG | |
| 1977 | NC27 | WCh Allround | Heerenveen | NED |
| 21 | WCh Sprint | Alkmaar | NED | |
| 1978 | 19 | WCh Sprint | Lake Placid | USA |
| 1981 | 19 | WCh Sprint | Grenoble | FRA |
