'''William Larkin''' may refer to:
* William Larkin (painter) (died 1619), English painter * William J. Larkin Jr. (1928–2019), American politician * William John Larkin (died 1885), New Zealand priest, Irish nationalist and newspaper proprietor * William Thomas Larkin (1923–2006), American Roman Catholic bishop * Billy Stiles or William Larkin (1871–1908), American outlaw in the Old West
{{hndis|Larkin, William}}