Giulia Siegel (born Julia Anna Marina Siegel on November 10, 1974 in Munich, Germany) is an actress, host, DJ, and model. She is the daughter of composer and producer Ralph Siegel. Siegel started her career in 1991 as a model using the alias Giulia Legeis (Siegel spelled backwards). She switched to using her real name professionally in 1995.

Siegel began her television career acting in commercials. In 1994, she expanded into German soap operas, landing a number of roles.

Starting in 1999, Siegel hosted various German television shows. In 2004, she accepted an offer to host the German McDonald's Chart show. Beyond that she works as DJane.

Siegel is divorced and has 3 children: twins Nathan and Mia; and a son Marlon from an earlier relationship.

In 2007, she was alleged to be having an affair with Oliver Kahn.

In addition to her career as an actress and model, Siegel has been regularly performing as a DJ on weekends in various well-known Munich clubs. In 2007, she released Dance, both her first single and her first video. She plans a major tour soon.