The deal will run until the 2024/2025 season.
Tadhg Furlong has signed a new three-year IRFU contract.
The deal will extend his stay with Leinster until the end of the 2024/25 season.
Furlong has amassed 116 appearances for the province having made his debut in 2013.
The Wexford native won his 50th cap for Ireland against Japan in this month's Autumn Nations Series.

Kildare SF Team (one late change) vs Wexford
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Bournmouth Sign Experienced Goalkeeper Fraser Forster On A Short-Term Contract
Crystal Palace Complete The Club Record Signing Of Brennan Johnson From Tottenham
It's The Women's National Cup Semi Finals Weekend
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Friday Morning Sports Update