Seán O'Brien (rugby union, born 1998)

Seán O'Brien (born 12 May 1998) is an Irish rugby union player who plays as a centre for United Rugby Championship club Munster.

Connacht
O'Brien was named in the Connacht academy ahead of the 2020–21 season, and made his Connacht debut in round 9 of the 2020–21 Pro14 against.

Exeter Chiefs
O'Brien joined Premiership Rugby side Exeter Chiefs ahead of the 2021–22 season. O'Brien made his debut for the Chiefs on 14 November 2021.

Munster
O'Brien returned to Ireland to join United Rugby Championship club Munster on a two-year contract from the 2023–24 season.