Harry Gordon Johnson (1923–1977) was a Canadian economist who studied topics such as international trade and international finance. He was Professor of Economics at the University of Chicago from 1959 (and from 1969, the Charles F. Grey Distinguished Service Professor) until his death in 1977. He was also Professor of Economics at the London School of Economics from 1966 until 1974. And he briefly was professor at the Graduate Institute of International Studies in Geneva until his death.