John Ashworth may refer to:
John Ashworth (cricketer) (1850–1901), English cricketer John Ashworth (footballer), English professional footballer John Ashworth (judge) (1906–1975), England judge and barrister John Ashworth (preacher) (1813–1875), English preacher, manufacturer, and author John Ashworth (rugby union) (born 1949), New Zealand rugby union player John Ashworth (biologist) (1938–2025), British educationalist and scientist John Ashworth (priest) (1900–1972), Dean of Trinidad
See also Jon Ashworth (born 1978), British Labour Party politician and MP