Cyril William Johnston Bowles (9 May 1916 – 14 September 1999) was the fourth Bishop of Derby, from 1969 to 1988.
He was educated at Brentwood School and Cambridge University, he was ordained in 1940. His career began with a curacy at Barking Parish Church. Following this he was Chaplain at Ridley Hall, Cambridge and after that Vice Principal and then Principal. Finally, before his elevation to the Episcopate, he was Archdeacon of Swindon.