Sir John Klunder Jensen OBE (20 March 1884 – 17 February 1970) was a senior Australian public servant.
[5] In the role, he played a leading part in organizing munitions supply during World War II.
[7] In his role at the Department of Supply and Development, he found himself frequently journeying to South Australia, including to visit the Woomera Rocket Range, and in connection to uranium mining.
[9] Immediately after retirement he took work as a member of the Commonwealth Immigration Planning Council.
[10] In the 1950 Birthday Honours he was made a Knight Bachelor, for services to munitions production.