William Wynn

William, Will, Willie, or Bill Wynn or Wynne may refer to:

• William Wynne (lawyer) (c. 1692–1765), Welsh lawyer and historian
• William Wynne (judge) (1729–1815), English judge and academic
• William Wynne (Irish politician) (c 1764–1855), Irish politician, MP for Sligo Borough
• William Watkin Edward Wynne (1801–1880), Welsh politician, MP for Merionethshire
• William J. Wynn (1860–1935), US Representative from California
• William Robert Maurice Wynne (died 1909), Welsh politician, MP for Merionethshire
• Will Wynn (born 1961), American politician in Austin, Texas

• Bill Wynne (1869–1951), American baseball pitcher
• William Wynn (footballer) (1876–1944), Welsh international footballer
• Willie Wynn (1917–1992), American baseball player
• Will Wynn (American football) (born 1949), American football defensive end
• William Wynne (athlete) (born 1990), American hurdler

• William Wynne (historian) (c. 1671–1704), Welsh priest and historian
• William Wynn (poet) (c. 1709–1760), Welsh priest and poet
• Bill Wynne (1922–2021), American dog trainer and photojournalist
• William H. Wynn (1932–2002), American trade unionist

• Williams-Wynn baronets, English baronetcy

• Billy Wynne (disambiguation)
• William Winn (1945–2006), American educational psychologist