Sophie Watillon (7 December 1965 – 31 August 2005) was a Belgian viol player who specialized in Baroque music. She was born in Namur, Belgium to a musical family. During her young life, the viola da gamba-soloist gained international fame with refined and sensitive solo interpretations of Early Music and Baroque compositions for viola da gamba. At the age of sixteen, she began studying music with Philippe Pierlot in Maastricht, and then further with Wieland Kuijken in Brussels and with Paolo Pandolfo at Schola Cantorum Basiliensis, Basel.