| Lahcen Ouadani | |
| Birth Date: | 14 July 1959 |
| Birth Place: | Morocco |
| Height: | 1.84 m |
| Position: | Defender |
| Years1: | 1977-1988 |
| Clubs1: | FAR Rabat |
| Years2: | 1988-1990 |
| Clubs2: | Union Touarga Sport |
| Years3: | 1990-1991 |
| Clubs3: | FUS Rabat |
| Years4: | 1991-1992 |
| Clubs4: | Raja Beni Mellal |
| Nationalyears1: | 1980-1989 |
| Nationalteam1: | Morocco[1] |
| Nationalcaps1: | 42 |
| Nationalgoals1: | 1 |
Lahcen Ouadani (born 14 July 1959) is a Moroccan football defender who played for Morocco in the 1986 FIFA World Cup.[2] He also played for FAR Rabat.