The extension will see him remain at Leinster until the 2027-28 season
Robbie Henshaw says its "a great boost" to secure his future with Leinster and the IRFU ahead of the Six Nations.
The 31-year-old has signed a two-year contract extension which will see him remain at Leinster until the 2027-28 season.
At international level, the centre has 77 Ireland caps and has also featured for the British and Irish Lions.

Kildare U20 Football Team & Panel vs Wicklow
Wednesday Morning Sports Update
Kildare Minor Football Team vs Laois
Tuesday Morning Sports Update
Andrew Porter Available For Selection, Whilst Further Assessments Required For James Ryan And RG Snyman
All 25 Players Of The Ireland Squad To Play Czechia Arrive Fit And Healthy To Training
Monday Morning Sports Update
Kildare Relegated Despite High-Scoring Clash with Louth