Barry King (born 22 January 1985) is a former professional tennis player and Davis Cup player from Ireland.
He was the Irish National Junior Champion before embarking on a tennis scholarship at the University of Notre Dame.King played six Davis Cup rubbers for Ireland in 2010 and 2011.
He had a 2/2 record in singles and 1/1 record in doubles.
In his last Davis Cup match, he won the deciding singles match to clinch a 3-2 win over Tunisia.
In his last professional tournament, he reached the semi-finals of the Irish Open Futures event.
He retired in July 2011 to pursue a career in finance.