Jon Jo Irwin

John Irwin (born 31 May 1969, Doncaster), known as Jon Jo Irwin, is a retired English amateur featherweight and professional feather/super featherweight boxer of the 1990s.

Amateur
As an amateur he represented England and won a gold medal in the -57 kg featherweight division, at the 1990 Commonwealth Games in Auckland, New Zealand.

He also won the prestigious 1991 ABA featherweight championship, against Mark Bowers (Pinewood Starr ABC (Crowthorne), boxing out of Tom Hill ABC (Doncaster).

Professional
As a professional won the Irish featherweight title, World Boxing Board (WBB) super featherweight title, World Boxing Organization (WBO) Inter-Continental featherweight title, British Boxing Board of Control (BBBofC) British featherweight title, and Commonwealth featherweight title, and was a challenger for the BBBofC British featherweight title against Paul Ingle, and European Boxing Union (EBU) featherweight title against Steve Robinson, his professional fighting weight varied from 124+3/4 lb, i.e. featherweight to 129 lb, i.e. super featherweight.