William Cleaver Wilkinson, D.D. (October 19, 1833 in Westford, Vermont – April 25, 1920 in Chicago) was a Baptist preacher, professor of theology, professor of poetry, and literary figure. He popularized the "Three W's and the Five W's". His "Dedication Hymn" (published in his Poems) was used at the dedication of Rockefeller Hall at the Rochester Theological Seminary and of the Toronto Baptist College. He died on April 25, 1920 as a result of injuries from a fall.