William Cadogan
# William Cadogan

William Cadogan may refer to:

* William Cadogan (politician) (1601–1661)
* William Cadogan, 1st Earl Cadogan (1675–1726)
* William Cadogan (childcare) (1711–1797), British physician and childcare writer
* William George Sydney Cadogan (1879–1914), British Army officer
* William Cadogan, 7th Earl Cadogan (1914–1997)
