Theodorus Stephanus Gerardus Johannes Marie (Steef) van Schaik (8 December 1888, in Druten – 10 September 1968, in Arnhem) was a Dutch politician.
Van Schaik was a Roman Catholic entrepreneur and government minister.
He made a career at the Algemene Kunstzijde Unie in Arnhem.
Upon him fell the difficult task to repair the heavily destroyed infrastructure as well as the detrimental fuel supply of The Netherlands just after World War II.
Steef was a brother of the well-known Dutch politician Josef van Schaik.