William Kenny may refer to:
William Kenny (Irish politician) (1846–1921), Irish lawyer, judge and politician William Kenny (VC) (1880–1936), recipient of the Victoria Cross William David Kenny (1889–?), Irish recipient of the Victoria Cross William Kenny (New Zealand politician) (1811–1880), member of the New Zealand Legislative Council William John Kenny (1853–1913), American Roman Catholic bishop Ernie Kenny (William Ernest Kenny), ice hockey player William Stopford Kenny (1788–1867), British writer on chess and educational subjects
See also Billy Kenny (disambiguation) Bill Kenny (disambiguation)