Keiko Hasegawa
| full name | Keiko Hasegawa | |
| nationality | Japan (JPN) | |
| local spelling | 長谷川 恵子 | |
| born | September 1955 | 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 |
| WCh Allround | 0 | 0 | 0 | 0 | 0 | 1 |
| WCh Sprint | 0 | 0 | 0 | 0 | 1 | 2 |
Championships - Results
| year | position | championship | place | |
| 1974 | NC18 | WCh Allround | Heerenveen | NED |
| 9 | WCh Sprint | Innsbruck | AUT | |
| 1975 | 20 | WCh Sprint | Göteborg | SWE |
| 1976 | 17 | Olympic Games 500 meters | Innsbruck | AUT |
| 24 | Olympic Games 1000 meters | Innsbruck | AUT | |
