Sonja Kirchberger (born 9 November 1964 in Vienna, Austria) is an Austrian actress.
From 1974 to 1978 she was a dancer in the Ballet of the Opera in Vienna (Wiener Oper). She became popular to the European public as Coco, a sensuous but dangerous seductress in the 1988 German blockbuster Die Venusfalle [de] (The Venus Trap). Till now she was to be seen in about 40 movies, some Italian and French productions, and English in Seven Servants by Daryush Shokof with Anthony Quinn, but mostly in German TV/cinema.
Sonja Kirchberger is mother of a girl and a boy.