John Boynton may refer to:

John F. Boynton (1811–1890), early leader in the Latter Day Saint movement and American geologist and inventor

John Keyworth Boynton (1918–2007), British legal officer

John Boynton (Worcester Polytechnic Institute) (1791–1868), American tinware entrepreneur and founder of Worcester Polytechnic Institute

John Boynton (American football), American football player