Choi Yoon-sook
| full name | Choi Yoon-sook | |
| nationality | South Korea (KOR) | |
| local spelling | 최 윤숙 | |
| born | September 1979 | in unknown |
| Navigation | Championships | World Cup |
World Cup - Top 10 positions
| discipline | 1st | 2nd | 3rd | 4th-6th | 7th-10th | starts |
| 1500 meters | 0 | 0 | 0 | 0 | 0 | 6 |
| 3000 meters | 0 | 0 | 0 | 0 | 0 | 3 |
| 5000 meters | 0 | 0 | 0 | 0 | 0 | 2 |
| Mini combination | 0 | 0 | 0 | 0 | 0 | 2 |
| total | 0 | 0 | 0 | 0 | 0 | 13 |
World Cup - All results
| seizoen | position | date | disclipline | place | ||
| 2001-02 | B | 9 | 9 Dec 2001 | 1500 meters | Calgary | CAN |
| 2002-03 | B | 4 | 9 Nov 2002 | 3000 meters | Hamar | NOR |
| A | 27 | 10 Nov 2002 | 1500 meters | Hamar | NOR | |
| B | 9 | 16 Nov 2002 | 3000 meters | Erfurt | GER | |
| B | 12 | 17 Nov 2002 | 1500 meters | Erfurt | GER | |
| A | 23 | 17 Nov 2002 | Mini combination | Erfurt | GER | |
| B | 9 | 23 Nov 2002 | 5000 meters | Heerenveen | NED | |
| B | 10 | 24 Nov 2002 | 1500 meters | Heerenveen | NED | |
| 2003-04 | B | 29 | 15 Nov 2003 | 1500 meters | Erfurt | GER |
| B | 22 | 16 Nov 2003 | 3000 meters | Erfurt | GER | |
| A | 17 | 16 Nov 2003 | Mini combination | Erfurt | GER | |
| B | 16 | 22 Nov 2003 | 1500 meters | Heerenveen | NED | |
| B | 18 | 22 Nov 2003 | 5000 meters | Heerenveen | NED | |
