| Karen Margrete Andersen | |
| Nationality: | Danish |
| Sport: | Diving |
| Birth Date: | 23 January 1917 |
| Birth Place: | Guldborgsund, Denmark |
| Death Place: | Guldborgsund, Denmark |
Karen Margrete Andersen (23 January 1917 - 30 June 1971) was a Danish diver. She competed in the women's 10 metre platform event at the 1936 Summer Olympics.[1]