| Birth Date: | 21 July 1968 |
| Birth Place: | Kristianstad, Sweden |
| Height: | 1.67m (05.48feet) |
| Weight: | 54kg (119lb) |
| Sport: | Swimming |
| Club: | Kristiansstads SLS |
Maria Kardum (born 21 July 1968) is a retired Swedish swimmer who won a bronze medal at the 1985 European Aquatics Championships. She competed in four freestyle and medley events at the 1984 Summer Olympics with the best achievement of seventh place in the freestyle relay.