John Cornwell

John Cornwell  may refer to:


 * Jack Cornwell (1900–1916), British sailor posthumously awarded the Victoria Cross for gallantry at the Battle of Jutland
 * John J. Cornwell (1867–1953), American politician, Governor of West Virginia
 * John Cornwell (writer) (born 1940), British journalist, author, and academic
 * John Cornwell (footballer) (born 1964), English footballer
 * John Cornwell (artist) (1930–2020), Australian artist