Sir John Francis Whitaker Maitland (24 March 1903 – 17 November 1977) was a Conservative Party politician in the United Kingdom. In the 1945 general election, he was elected as Member of Parliament for the safe Conservative seat of Horncastle in Lincolnshire. He held the seat until he retired from the House of Commons at the 1966 general election. His daughter, Sally Louisa Mary Maitland, married the Conservative Member of Parliament Jock Bruce-Gardyne.