William Kenny

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