John Willis may refer to:

• John Willis (basketball) (born 1952), American-Israeli basketball player
• John Willis (inventor) (c. 1575–1625), British clergyman, stenographer and mnemonician
• John Willis (gangster), American mobster linked with the Chinese Mafia
• John A. Willis (1916–2010), American theatre and film book editor, theatre awards producer, actor, and educator
• John Christopher Willis (1868–1958), English botanist
• John Willis (judge) (1908–1988), British judge
• John Willis (RAF officer) (1937–2008), Royal Air Force officer
• John Harlan Willis (1921–1945), U.S. Navy hospital corpsman
• John Willis (bishop) (1872–1954), Anglican bishop
• John Walpole Willis (1793–1877), Welsh-born judge in the Supreme Court of New South Wales
• John Willis (cricketer) (1886–1963), English cricketer
• John Willis (musician), American guitarist and songwriter
• John T. Willis (born 1933), Old Testament scholar
• John 'Jock' Willis (1791–1862), ship captain and founder of the Jock Willis Shipping Line, also known as John Willis & Sons
• John 'Jock' Willis (1817–1899), his son, owner of the Cutty Sark

People with similar names

• John Willis Clark (1833–1910), English academic and antiquarian
• John Willis Fleming (1781–1844), English landed proprietor and member of parliament
• John Willis Menard (1838–1893), American federal government employee, poet, newspaper publisher and politician