John Whitaker may refer to:
John Whitaker (equestrian) (born 1955), English showjumper John Whitaker (gymnast) (1886–1977), English gymnast John Whitaker (historian) (1735–1808), English historian and Anglican clergyman John Whitaker (Iowa politician) (born 1956), American politician from Iowa John A. Whitaker (1901–1951), American politician from Kentucky John N. Whitaker (1940–2001), American neurologist and immunologist John Thompson Whitaker (1906–1946), American writer and journalist Johnny Whitaker (born 1959), American actor Jack Whitaker (1924–2019), American sportscaster
See also John Whittaker (disambiguation)