John Knott may refer to:
John Knott (scientist) (1938–2017), British metallurgist John Knott (cricketer) (1901–1988), English cricketer for Kent and Oxford John Knott (public servant) (1910–1999), Australian civil servant John Knott (sport shooter) (1914–1965), British Olympic shooter John F. Knott (1878–1963) American cartoonist
See also Jon Knott, American baseball player John "Jake" Knotts (born 1944), American politician Jonathan Nott, British Ambassador to Poland John Nott (disambiguation)