John H. Milsum (August 15, 1925 – November 9, 2008) was a Canadian control engineer who was Professor and first Director at the Biomedical Engineering Department of the McGill University in Montreal, and a professor at the University of British Columbia.
Milsum is known for his book "Biological Control Systems Analysis" from 1966, which is a classic in the field and has been translated into many languages.
In 1972 Milsum moved to the University of British Columbia (UBC) to become the Imperial Oil professor of General Systems and a professor in the Department of Health Care and Epidemiology.
He was instrumental in the creation of UBC's Institute of Health Promotion Research in 1990.
In 1986, he was bestowed the honour of Emeritus Member of the Canadian Medical and Biological Engineering Society.