Arch Jelley was a New Zealand athletics coach and school principal who guided John Walker to the first sub-3:50 mile in 1975 and the 1500 metres Olympic title in 1976. He coached for more than five decades and returned at 93 to guide Hamish Carson to the 2016 Olympics. He died in Auckland on 24 October 2026 at the age of 104.
He was born Albert Archibald Jelley in Dunedin on 13 August 1922.