Grietje Vanderheijden (born October 1978) is a Belgian actress. She studied music at the conservatories of Brussels & Antwerp (Belgium). During and after her studies she appeared in multiple Belgian musicals such as "Cinderella", "The Wizard of Oz", "Sleeping Beauty", "Pinocchio", "Robin Hood" and "Peter Pan", in which she played the role of Tiger Lily and understudy for Wendy.