At least there are two "Franziska":

1) A 14-year-old pop singer from Germany.

2) Ska, Rock steady, Jamaican RnB and Dub band from Italy.
www.franziska.it/

3) Franzi Schäfer (aka Franziska) Vocals, Keyboards for German metal band, Postmodern Fantasy. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.