William Kenyon may refer to:
William C. Kenyon (1898–1953), American football, basketball, and baseball coach at the University of Maine William S. Kenyon (Iowa politician) (1869–1933), U.S. Senator from Iowa from 1911 to 1922 William S. Kenyon (New York politician) (1820–1896), U.S. Representative from New York
See also William Kenyon-Slaney (1847–1908), British sportsman, soldier, and politician