William Conner (1777–1855) was an American trader, interpreter, scout, community leader, entrepreneur, and politician.
William Conner may also refer to: William C. Conner, American judge William Conner (Irish politician), Irish politician William Conner (Mississippi politician), speaker of the Mississippi Territory House of Representatives Bill Conner, American businessman W. W. Conner (William Wallace Conner), American politician in the state of Washington See also William Connor (disambiguation)