Harry Byrne (born 22 April 1999) is an Irish rugby union player who plays for URC club Leinster. He plays as a fly-half and represents Lansdowne in the All-Ireland League.
Whilst still in Leinster's academy, Byrne was selected in the province's pre-season squad, and he went on to score 17 points in their 47âÂÂ17 win against Coventry, as well as featuring in the 38âÂÂ35 win against Canada. Following his pre-season performances, Byrne was selected on the bench for Leinster's opening 2019âÂÂ20 Pro14 fixture away to Italian side Benetton on 28 September 2019, and he replaced older brother Ross in the 69th minute, scoring a late penalty to secure a 32âÂÂ27 win for Leinster.
In December 2024, he joined Bristol Bears in the Premiership on a three-month loan deal to provide injury cover for AJ MacGinty. In January 2025, he made his debut off the bench in the Premiership converting two tries but losing 35âÂÂ26 to Saracens. In March 2025, his loan was extended to the end of the season.
In June 2021, he was called up to the senior Ireland squad for the Summer tests. Byrne scored six points in his debut off the bench for the Ireland senior side, in a 71âÂÂ10 victory over the United States on 10 July 2021.