John O'Brien (boxer)

John O'Brien
Statistics
Weight(s)	feather/super feather/light/light welterweight
Nationality	Scottish
Born	20 February 1937 Glasgow, Scotland
Died	30 March 1979 (aged 42)
Stance	Southpaw
Boxing record
Total fights	47
Wins	30 (KO 15)
Losses	17 (KO 8)

John O'Brien (20 February 1937 – 30 March 1979 (aged 42)) born in Glasgow was a Scottish professional feather/super feather/light/light welterweight boxer of the 1960s and '70s, who won the British Commonwealth featherweight title, and was a challenger for the BBBofC British featherweight title against; Howard Winstone, and Jimmy Revie and European Boxing Union (EBU) featherweight title against Howard Winstone. His professional fighting weight varied from 124 lb (56 kg; 8 st 12 lb), i.e. featherweight to 136 lb (61.7 kg; 9 st 10.0 lb), i.e. light welterweight.