Yvonne Catharina Maria Theresia van Rooy (born 4 June 1951) is a retired Dutch politician and diplomat of the Christian Democratic Appeal (CDA) party and businesswoman. Van Rooy attended a Gymnasium in Maastricht from May 1964 until June 1970 and applied at the Utrecht University in June 1970 majoring in Law and obtaining an Bachelor of Laws degree in July 1972 before graduating with an Master of Laws degree in July 1976. Van Rooy worked as a paralegal for the Christian Employers' association (NCW) from November 1976 until July 1984.