Tjerk Westerterp

Theodorus Engelbertus "Tjerk" Westerterp (born 2 December 1930) is a Dutch politician. He was a diplomat of the defunct Catholic People's Party (KVP) now merged into the Christian Democratic Appeal (CDA) party. He is also a businessman.
Westerterp became a Member of the House of Representatives after Gerard Veldkamp was appointed as Minister of Social Affairs and Health.
After the election of 1971 Westerterp was appointed as State Secretary for Foreign Affairs, taking office on 17 August 1971.