William Quinn

William Quinn may refer to:

• Bill Quinn (1912-1994), American film actor
• Liam Quinn (born 1949), Template:Aka William Quinn, member of the Provisional IRA
• William Quinn (actor) (1884–1965), Canadian film and stage actor
• William F. Quinn (1919–2006), governor of Hawaii
• William J. Quinn (1883–1963), chief of police in San Francisco, California
• William John Quinn (1911–2015), railroad executive
• William P. Quinn (1900–1978), Garda Commissioner
• William Paul Quinn (1788–1873), bishop of the African Methodist Episcopal Church
• William Wilson Quinn (1907–2000), Chevalier Lieutenant General, commanding general of the Seventh United States Army