Susanne Fontaine (born 31 January 1961) is a German musicologist and university teacher.
From 1992 to 1998 Fontaine was a research assistant at the Hochschule der Künste; in 1999 she received a habilitation scholarship from the Deutsche Forschungsgemeinschaft on the topic The figure of Maria Magdalena in the music of the 17th and 18th century.
In 2000 and 2001 she held the professorship for musicology at the State University of Music and Performing Arts Stuttgart.
In the winter semester 2002/03 Fontaine was a lecturer at the musicology department of the Ruprecht-Karls-University Heidelberg.
Fontaine is chairwoman of the Berlin chapter of the German University Association.