William Howland

William Howland may refer to:


 * William Howland (musician) (1871–1945), American operatic bass, voice teacher, composer, conductor and university administrator
 * William Bailey Howland (1848–1917), American editor
 * William Goldwin Carrington Howland (1915–1994), Canadian lawyer, judge and former Chief Justice of Ontario
 * William Holmes Howland (1844–1893), Canadian politician
 * William Pearce Howland (1821–1907), Canadian politician