Walter Bowers Pillsbury (July 21, 1872 – June 3, 1960) was an American psychologist, born in Burlington, Iowa. He studied for two years at Penn College in Oskaloosa, Iowa, and graduated from the University of Nebraska (1892), and subsequently completed a Ph.D. at Cornell University (1896). Pillsbury taught at the University of Michigan after 1897, in 1905–1910 as junior professor of philosophy and director of the psychological laboratory and afterward as professor of psychology. In 1908–1909 he lectured at Columbia University. He served as president of the Western Philosophical Association in 1907 and of the American Psychological Association in 1910. Besides contributing to the American Journal of Psychology and to The Philosophical Review, he translated, with Edward B. Titchener, Külpe's Introduction to Philosophy (1897) and published:

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