| Katharina Düll | |
| Itf Name: | Katharina Duell |
| Country Represented: | |
| Birth Date: | 9 April 1973 |
| Careerprizemoney: | $32,166 |
| Highestsinglesranking: | No. 225 (23 May 1988) |
| Frenchopenresult: | Q2 (1988) |
| Highestdoublesranking: | No. 421 (12 August 1991) |
Katharina Düll (born 9 April 1973) is a German former professional tennis player.
Düll was a member of West Germany's World Youth Cup (Junior Fed Cup) winning team in 1989.[1] On the professional tour, she reached a career high singles ranking of 225 in the world.[2] She made the second round of the 1987 Argentine Open in Buenos Aires and 1989 Citizen Cup in Hamburg.