Ralph Tyler Flewelling (1871–1960) was an American philosopher.
the Garrett Biblical Institute (Evanston, Ill.), and Boston University.
He was ordained in the Methodist Episcopal ministry in 1896, holding pastorates from 1903 to 1917, and in the latter year becoming professor and head of the department of philosophy in the University of Southern California.
In 1918 he was at the Sorbonne, Paris, and was appointed head of the department of philosophy at the American Expeditionary Force University at Beaune, France.
He also contributed to the Hastings Encyclopœdia of Religion and Ethics (1917), and founded and edited The Personalist (1920).