Sophie Watillon was a Belgian viol player who specialized in Baroque music. She was born in Namur, Belgium to a musical family. During her youth, 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.
Besides her solo career, Watillon was a permanent member of Hesperion XXI, La Capella Reial de Catalunya and Le Concert des Nations of Jordi Savall. She played with various ensembles such as Il Seminario Musicale, Cantus Cölln, Le Poème Harmonique, Ricercar Consort, Stylus Phantasticus.