Sonja Wiedemann (born 8 September 1977) is a German luger who competed from 1999 to 2005. She won two medals in the women's singles at the FIL World Luge Championships with a gold in 1999 and a bronze in 2000.
| Medal record | ||
|---|---|---|
| Luge | ||
Representing  Germany | ||
| World Championships | ||
 | 1999 Königssee | Women's singles |
 | 2000 St. Moritz | Women's singles |
| European Championships | ||
 | 2000 Winterberg | Mixed team |
Wiedemann also won a silver medal in the mixed team event at the 2000 FIL European Luge Championships in Winterberg, Germany.