John Alun Adolphus Herbert (born 20 April 1962) is an English former sportsperson, who represented Great Britain as both a triple jumper and a bobsledder.
Competing in athletics, he won the gold medal for England in the triple jump at the 1986 Commonwealth Games in Edinburgh.
Herbert also represented Great Britain at the 1983 and 1991 World Championships in Athletics in Helsinki and Tokyo, but did not qualify for the final.
His best finish at the Winter Olympics was eighth in the four-man event at Lillehammer in 1994 together with Shaun Olson, Dean Ward and Paul Field.
Herbert served as an athletics coach for the jumping events at the 1996, 2000, and 2004 Summer Olympics for Great Britain.