Natsue Seki
| full name | Natsue Seki | |
| nationality | Japan (JPN) | |
| local spelling | 関 ナツエ | |
| born | June 1966 | in Mukawa, 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 | 3 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 4 |
Championships - Results
| year | position | championship | place | |
| 1986 | NC24 | WCh Allround | The Hague | NED |
| 1987 | DQ3 | WCh Allround | West Allis | USA |
| 1988 | 19 | Olympic Games 1500 meters | Calgary | CAN |
| 18 | Olympic Games 3000 meters | Calgary | CAN | |
| 19 | Olympic Games 5000 meters | Calgary | CAN | |
| NC22 | WCh Allround | Skien | NOR | |
| 1990 | 11 | WCh Allround | Calgary | CAN |
