| Lucie Chainel-Lefèvre | |
| Fullname: | Lucie Chainel-Lefèvre |
| Birth Date: | 2 July 1983 |
| Discipline: | Cyclo-cross |
| Role: | Rider |
| Show-Medals: | yes |
Lucie Chainel-Lefèvre (born 2 July 1983) is a French cyclo-cross racing cyclist. She won the bronze medal at the 2013 UCI Cyclo-cross World Championships in Louisville, United States. She was married to racing cyclist Steve Chainel but they separated in 2017.