Cao Chunying (; born 8 May 1974 in Zhuozhou) is a retired Chinese track and field athlete who specialized in the 400 metres event.[1]
| 1992 | IAAF World Cup | Havana, Cuba | 7th | 800m | 2:19.70 | |
| 1993 | 7th Chinese National Games | Beijing, China | 1st | 4 × 400 m | 3:24.28 (AR) | |
| 1994 | Asian Games | Hiroshima, Japan | 1st | 4 × 400 m | 3:29.11 | |
| 1995 | World Indoor Championships | Barcelona, Spain | 19th (heats) | 400 m | 55.32 | |
| 5th | 4 × 400 m | 3:39.76 (AR) | ||||
| 1997 | 8th Chinese National Games | Shanghai, China | 7th | 400 m | 52.21 |