| Headercolor: | lightblue |
| Jonna Tilgner | |
| Fullname: | Jonna Valesca Tilgner |
| Birth Date: | 18 November 1984 |
| Birth Place: | Hannover, Lower Saxony, West Germany |
| Weight: | 550NaN0 |
| Sport: | Athletics |
| Event: | 4 × 400 metres relay |
| Club: | Bremer Leichtathletik Team |
| Coach: | Jens Ellrott |
| Pb: | 400 m: 51.90 s (2008) 400 m hurdles: 55.71 (2009) |
| Show-Medals: | yes |
Jonna Valesca Tilgner (born November 18, 1984, in Hannover, Lower Saxony) is a German sprinter and hurdler, who specialized in the 400 metres.[1] She won two medals, silver and bronze, in the women's 400 m hurdles at the 2007 Summer Universiade in Bangkok, Thailand, and at the 2009 Summer Universiade in Belgrade, Serbia, clocking at 56.27 and 56.02 seconds, respectively.[2] [3] Tilgner is also a member of Bremer Leichtathletik Team, and is coached and trained by Jens Ellrott.[4]
Tilgner competed for the women's 4 × 400 m relay at the 2008 Summer Olympics in Beijing, along with her teammates Claudia Hoffmann, Florence Ekpo-Umoh, and Sorina Nwachukwu. Running the start-off leg, Tilgner recorded her individual-split time of 53.12 seconds, and the German team went on to an eighth-place finish in the final, for a total time of 3:28.45.[5]