Otis Hamilton Lee (28 September 1902, Montevideo, Minnesota – 17 September 1948, Vermont) was an American philosopher, noteworthy as a Guggenheim Fellow. Lee attended Fargo College from 1920 to 1922 and then the University of Minnesota, where he graduated with B.A. in 1924. From 1924 to 1927 he was a Rhodes Scholar at St John's College, Oxford, where he graduated with A.B. in 1926. From 1927 to 1929 he was an instructor in philosophy at the University of Michigan. In 1930 he received his Ph.D. in philosophy from Harvard University, where he was an Austin Fellow from 1929 to 1930. At Harvard University he was an instructor and tutor from 1930 to 1933 and for the academic year 1934–1935. At Harvard he was also a reader (i.e. a course assistant who grades papers) for Alfred North Whitehead fo