Patrick Gerard Barnes (born 9 April 1987) is an Irish former boxer who competed as an amateur from 2005 to 2016 and as a professional from 2016 to 2019.

[citation needed] Barnes won Ireland's inaugural medal, at the 2008 Summer Olympics, by winning his quarter final bout in the light flyweight division.

[citation needed] On 12 June 2010, Barnes won the gold medal in the light flyweight division at the 2010 European Amateur Boxing Championships.

At the 2012 Summer Olympics he defeated Thomas Essomba from Cameroon 15–10 then beat India's Devendro Singh in his quarter-final bout to guarantee himself at least another bronze medal.

[8] As captain of the Northern Ireland boxing team in 2014 at Glasgow, Barnes led the way by winning gold in the flyweight division defeating India's Devendro Singh.

[11] His second fight was another win, this time over Anthony Ortiz as Italia Thunder met the Puerto Rico Hurricanes.

[13] His record for the season went to four wins with four unanimous decisions, when he defeated Kazakh fighter Temirtas Zhussupoy of the Astana Arlans in Kazakhstan.

[19][20][21] After his amateur success, Barnes turned professional and made his debut as a bantamweight against Stefan Slavchev on 5 November 2016.

In the fourth round, Rosales caught Barnes with a vicious right-hand uppercut to the solar plexus.

Barnes fell on the canvas and wasn't anywhere close to beating the count, which meant a KO victory for Rosales.

[25] Barnes and Mari Burns, parents of two daughters, wed in July 2017 at St Bernard's Catholic Church, north Belfast.