William Dillon (disambiguation)

William Dillon (1877–1966) was an American songwriter.

William Dillon may also refer to:

• William Henry Dillon (1779–1857), British naval officer
• William G. Dillon, discovered planet
• Sir William Dillon, 4th Baronet (1774–1851) of the Dillon baronets

See also

• Bill Dillon (disambiguation)
• Dillon (surname)