Tommy O'Brien (born 28 May 1998) is an Irish professional rugby union plays centre or wing for United Rugby Championship club Leinster and Ireland national team.
Early life O'Brien attended Blackrock College and played in the Leinster Schools Rugby Senior Cup for the school, as well being a Leinster Schools 110-metre hurdles champion.
Leinster O'Brien made his senior competitive debut for Leinster in their round 8 2019–20 Pro14 interprovincial clash against Ulster on 20 December 2019, with O'Brien starting at 13 for Leinster and playing 70 minutes in their 54–42 win against the northern province.
Ireland O'Brien represented Ireland under-20s between 2017 and 2018, and captained the side during 2018.
In July 2025, he made his debut for the senior side scoring two tries as Ireland defeated Georgia 34–5 in the first match of the 2025 summer tour. He scored a further two against Portugal a week later.
List of international tries Number Position Points Tries Result Opposition Venue Date 1-2 Wing 10 2 Won 5 July 2025 3-4 Wing 10 2 Won 12 July 2025 5 Wing 5 1 Won 8 November 2025 6 Wing 5 1 Won Twickenham Stadium 21 February 2026 7-8 Wing 10 2 Won Aviva Stadium 14 March 2026
Honours
Team
United Rugby Championship : Winner (2025)
References
External links Leinster Academy Profile Pro14 Profile