Aurelus Louis "Relus" ter Beek (January 18, 1944 – September 29, 2008) was a Dutch politician of the Labour Party (PvdA). He served as a Member of the House of Representatives from May 11, 1971 until November 7, 1989 when he became Minister of Defence serving from November 7, 1989 until August 22, 1994 in the Cabinet Lubbers III.