List of Famous people named John

Sir John Turton Randall, was an English physicist and biophysicist, credited with radical improvement of the cavity magnetron, an essential component of centimetric wavelength radar, which was one of the keys to the Allied victory in the Second World War. It is also the key component of microwave ovens.

John Larch was an American radio, film, and television actor.

Rev John Thomson FRSE HonRSA was a Scottish minister of the Church of Scotland and noted amateur landscape painter. He was the minister of Duddingston Kirk from 1805 to 1840.

John Michael Quinn is an American prelate of the Catholic Church. He was named as the eighth Bishop of the Diocese of Winona in 2008. Since 2018 he is the first to use the title the Bishop of Winona-Rochester.

John Kessel is an American author of science fiction and fantasy. He is a prolific short story writer, and the author of four solo novels, Good News From Outer Space (1989), Corrupting Dr. Nice (1997), The Moon and the Other (2017), and Pride and Prometheus (2018), and one novel, Freedom Beach (1985) in collaboration with his friend James Patrick Kelly. Kessel is married to author Therese Anne Fowler.

John Joseph Mooney was an American chemical engineer who was co-inventor of the three-way catalytic converter, which has played a dramatic role in reducing pollution from motor vehicles since their introduction in the mid-1970s.