A full list of Welsh boxers who have held professional world titles, named in chronological order.
World flyweight champion, 1914.
Note: This weight class was not officially recognised in the USA at the time
World lightweight champion, 1914-17
World flyweight champion, 1916-23
WBC featherweight champion, 1968
WBO featherweight champion, 1993-95
WBO bantamweight champion, 1996
WBO super-featherweight champion, 1997
WBO super-middleweight champion, 1997-2008, IBF super-middleweight champion, 2006, WBA & WBC super-middleweight champion, 2007-8
WBO cruiserweight champion, 2006-8
WBA light-welterweight champion 2007-8
WBO light-heavyweight champion, 2011-13, WBA ‘regular’ light-heavyweight champion, 2016-
IBF featherweight champion, 2015-