| Birth Date: | 18 May 1987 |
| Birth Place: | Bremen, West Germany |
Jaana Ehmcke (born 18 May 1987,[1]) is a German swimmer. She is trained by Jörg Hoffmann.[2] In 2006, she took part in the European Short Course Swimming Championships in Helsinki.[3] She also represented Germany in the women's 400 metre and 800 metre freestyle swimming races at the 2008 Summer Olympics in Beijing.[1]