Ivo Willem Opstelten (born 31 January 1944) is a retired Dutch politician and jurist. He is a member of the People's Party for Freedom and Democracy (VVD). Opstelten applied at Leiden University in May 1963 majoring in Law and obtaining an Bachelor of Laws degree in June 1965 before graduating with an Master of Laws degree in July 1969. Opstelten worked as a civil servant for the municipality of Vlaardingen from January 1970 until Augustus 1972. In Augustus 1972 Opstelten was nominated as Mayor of Dalen, taking office on 26 August 1972. In September 1977 Opstelten was nominated as Mayor of Doorn, he resigned as Mayor of Dalen the same day he was installed as Mayor of Doorn, taking office on 1 October 1977. In November 1980 Opstelten was nominated as Mayor of Delfzijl, he resigned as Mayor