John Trevelyan

John Trevelyan may refer to:


 * Sir John Trevelyan, 2nd Baronet (1670–1755), British MP
 * Sir John Trevelyan, 4th Baronet (1735–1828), British MP
 * John Trevelyan (censor) (1903–1986), Secretary of the Board of the British Board of Film Censors
 * John Trevelyan (chess player) (born 1948), Welsh chess player