William Arnott

William Arnott may refer to:

• William Arnott (biscuit manufacturer) (1827–1901), Australian manufacturer and businessman
• William Arnott (politician) (1832–1907), American farmer and politician
• Bob Arnott or William Robert Arnott (1922–2016), Australian skier
• W. Geoffrey Arnott (1930–2010), British Hellenist
• Sir William Melville Arnott (1909–1999), Scottish academic
• Will Arnott (1999–2024), British boccia player

See also

• William Arnot (disambiguation)
• William Arnett (disambiguation)