Jamie McDonnell (born 30 March 1986) is a British former professional boxer who competed from 2005 to 2019. who was a two-time bantamweight world champion, having held the IBF title in 2013 and the WBA title from 2014 to 2018. He held multiple regional bantamweight championships, including the British title twice between 2010 and 2011; the Commonwealth title from 2010 to 2011; and the European title from 2010 to 2012. He is the twin brother of fellow boxer Gavin McDonnell.