Theodore Otte Yntema (1900 – September 18, 1985) was an American economist specializing in the field of quantitative analysis in finance.
Yntema graduated summa cum laude in 1921 from Hope College as valedictorian.
Yntema became the director of research of the Cowles Commission at the time of its move to Chicago, in September 1939.
Since 1940, Yntema served as director of the National Bureau of Economic Research.
''[2] The University of Chicago Booth School of Business established the Theodore O. Yntema Professorship in 1973.