Tadhg Vincent Furlong (born 14 November 1992) is an Irish professional rugby union player who plays tighthead prop for United Rugby Championship club Leinster and the Ireland national team.

[3] Furlong made his senior debut for Leinster Rugby in November 2013 as a replacement against the Dragons.

[8] Furlong made his Ireland senior debut on 29 August 2015 against Wales in a warm-up game for the 2015 Rugby World Cup.

[13] Furlong was selected in Warren Gatland's squad for the 2017 British & Irish Lions tour to New Zealand.

[15][16][17] Furlong was named in the squad for the 2021 British & Irish Lions tour to South Africa.