William Buell Sprague, American minister, historian, and author (d. 1876)

William Buell Sprague (October 16, 1795 Andover, Connecticut - May 7, 1876 Flushing, New York) was an American Congregational and Presbyterian clergyman and compiler of Annals of the American Pulpit (nine volumes, 1857–1869), a comprehensive biographical dictionary of the leading American Protestant Christian ministers who died before 1850.