Mamoru Ishioka
| full name | Mamoru Ishioka | |
| nationality | Japan (JPN) | |
| born | May 1974 | in unknown |
| Navigation | Championships | World Cup |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 3 |
Championships - Results
| year | position | championship | place | |
| 1993 | NC13 | WCh Allround | Hamar | NOR |
| 1998 | NC14 | WCh Allround | Heerenveen | NED |
| 1999 | NC18 | WCh Allround | Hamar | NOR |
