| O Chang-ran | |
| Birth Date: | 5 September 1991 |
| Birth Place: | North Korea |
| Position: | Goalkeeper |
| Years1: | 2012 |
| Clubs1: | Mangyongbong |
| Nationalyears1: | 2012 |
| Nationalteam1: | North Korea |
| Nationalcaps1: | 6 |
| Nationalgoals1: | 0 |
O Chang-ran(오창란) (born 5 September 1991) is a North Korean former football goalkeeper who played for the North Korea women's national football team.
O competed at the 2012 Summer Olympics. At the club level, she played for Mangyongbong.[1]