David Ramsay Lunn (17 July 1930 – 19 July 2021) was a British Anglican bishop. From 1980 to 1997, he was Bishop of Sheffield in the Church of England. Lunn was born on Tyneside and educated at the Kings School, Tynemouth, where he was head boy in 1947. In 1997 Lunn was awarded an honorary LL.D. degree by Sheffield University. After retirement, during which he settled at Wetwang, he became an assistant bishop in the Diocese of York in 1991.