William Lunn

William Lunn may refer to:

• William Lunn (politician) (1872–1942), English Labour Party politician
• William Lunn (educator) (1796–1886), Canadian educator, businessman, and politician
• William Lunn (rugby union) (1926–1996), New Zealand rugby union player
• William Lunn (freestyle skier) (fl. 2010s) in FIS Freestyle World Ski Championships 2011 – Men's ski cross
• William Lunn (priest) (died 1747), Archdeacon of Huntingdon and Wisbech