John Joshua "JJ" McKiernan (born 18 January 2002) is a professional footballer who plays as a central midfielder for Burton Albion on loan from EFL League One club Lincoln City and the Northern Ireland U21 national team.
Born in Southampton, McKiernan joined Watford at U18 level in December 2018[1] having previously played for non-league Andover Town in the FA Youth Cup.
[9][10] On 7 October McKiernan made history at Morecambe with the club's first ever away hat-trick against Colchester United in a 3–1 win,[11] two of the goals scored after going down to a ten man team.
He chose to represent Northern Ireland at international level, qualifying through his paternal grandparents.
[18] He was selected at 18 to make his debut with Andy Crosby's U21 squad against Finland, obtaining a yellow card in the 21st minute.