Väinö Toivo Hovi (born 29.09.1913) is a Finnish physicist and a member of the Finnish Academy of Science and Letters (1960). He graduated from the University of Helsinki (1938), where he worked in 1945-53. Since 1953 he has been professor at the University of Turku, and since 1957 also director of its physics laboratory.
His work concerned solid-state physics, cosmic-ray physics and nuclear physics.