Eriko Seo
| full name | Eriko Seo | |
| nationality | Japan (JPN) | |
| local spelling | 妹尾 栄里子 | |
| born | March 1979 | in Obihiro, Hokkaidō (Japan) |
| Navigation | Championships | World Cup |
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 Single Distances | 0 | 0 | 0 | 0 | 3 | 11 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 5 |
Championships - Results
| year | position | championship | place | |
| 1999 | 12 | WCh Single Distances 3000 meters | Heerenveen | NED |
| 7 | WCh Single Distances 5000 meters | Heerenveen | NED | |
| NC16 | WCh Allround | Hamar | NOR | |
| 2000 | 18 | WCh Single Distances 1500 meters | Nagano | JPN |
| 14 | WCh Single Distances 3000 meters | Nagano | JPN | |
| 9 | WCh Single Distances 5000 meters | Nagano | JPN | |
| 2001 | 16 | WCh Single Distances 1500 meters | Salt Lake City | USA |
| 16 | WCh Single Distances 3000 meters | Salt Lake City | USA | |
| 8 | WCh Single Distances 5000 meters | Salt Lake City | USA | |
| NC17 | WCh Allround | Budapest | HUN | |
| 2002 | 19 | Olympic Games 3000 meters | Salt Lake City | USA |
| NC22 | WCh Allround | Heerenveen | NED | |
| 2004 | 22 | WCh Single Distances 3000 meters | Seoul | KOR |
| 14 | WCh Single Distances 5000 meters | Seoul | KOR | |
| NC20 | WCh Allround | Hamar | NOR | |
| 2005 | 13 | WCh Single Distances 3000 meters | Inzell | GER |
| 2006 | 20 | Olympic Games 3000 meters | Turin | ITA |
| NC21 | WCh Allround | Calgary | CAN | |
