Sean O'Sullivan (rugby league)

Sean Thomas O'Sullivan (born 21 August 1998) is an Australian rugby league footballer who plays as a halfback for the Dolphins in the National Rugby League (NRL).

Sean O'Sullivan

Personal information
Full name	Sean Thomas O'Sullivan
Born	(1998-08-21) 21 August 1998 (age 26) Sydney, New South Wales, Australia
Height	179 cm (5 ft 10 in)
Weight	86 kg (13 st 8 lb)
Playing information
Position	Halfback, Five-eighth
Club Years Team Pld T G FG P 2018 Sydney Roosters 1 1 0 0 4 2019–20 Brisbane Broncos 8 0 0 0 0 2021 New Zealand Warriors 12 2 0 0 8 2022 Penrith Panthers 11 2 2 0 12 2023– Dolphins 28 2 2 1 14 Total 60 7 4 1 38 Representative Years Team Pld T G FG P 2018 NSW residents 1 1 0 0 4
Source: [1] As of 11 July 2025
Relatives	Matthew Lodge (brother-in-law)

He has previously played for the Penrith Panthers, the New Zealand Warriors, the Brisbane Broncos and the Sydney Roosters in the NRL.

Background

O'Sullivan was born in Sydney of paternal Irish descent and Maltese on his mother side. His father is NRL recruitment officer Peter O'Sullivan, and his brother-in-law is NRL front rower Matthew Lodge.^[2]

O'Sullivan played junior rugby league for the Glenmore Park Brumbies in the Penrith Rugby League.

Playing career

Sydney Roosters (2018)

O'Sullivan made his first grade debut and scored a try in round 18 of the 2018 NRL season for the Sydney Roosters against the Gold Coast Titans.

Brisbane Broncos (2019–2020)

O'Sullivan signed a two-year contract with the Brisbane Broncos commencing in the 2019 NRL season.^[3] Altogether, he played eight games with Brisbane over two seasons.

New Zealand Warriors (2021)

O'Sullivan joined the New Zealand Warriors for the 2021 NRL season, made twelve appearances and scored two tries.

Penrith Panthers (2022)

In 2022, O'Sullivan joined reigning premiers Penrith on a one-year deal. His club debut for Penrith was in round 1 of the 2022 NRL season filling in for the injured Nathan Cleary against Manly.^[4] In total, O'Sullivan played twelve NRL games, scored two tries and kicked two goals for Penrith. O’Sullivan served as 18th man (injury replacement) for Penrith in the 2022 NRL grand final victory, but did not take the field during the match.^[5] Otherwise, he spent most of the year playing for Penrith's NSW Cup team, including their 29–22 grand final victory over Canterbury-Bankstown Bulldogs.^[6]

Dolphins (2023–present)

O'Sullivan signed a three-year deal to join the newly licensed Dolphins (NRL) club.^[7] His club debut for the Dolphins was in their inaugural round 1 match of the 2023 NRL season starting at halfback as they pulled off a big upset defeating the Sydney Roosters 28–18 at Suncorp Stadium. In round 23 of the 2024 NRL season, O'Sullivan kicked a two-point field goal in golden point extra-time which won the game for the Dolphins 34-32 against the New Zealand Warriors.^[8]

Further information: List of Dolphins (NRL) players

• 
  Sean O'Sullivan on left
• 
  Sean O'Sullivan in Brisbane 2024
• 
  Sean O'Sullivan, Kodi Nikorima and Jesse Bromwich

Statistics

Year	Team	Games	Tries	Goals	FGs	Pts
2018	Sydney Roosters	1	1			4
2019	Brisbane Broncos	5
2020		3
2021	Warriors	12	2			8
2022	Penrith Panthers	11	2	2		12
2023	Dolphins	14	1	2		8
2024		10	1		1	4
2025		4
	Totals	60	7	4	2	38

^[9]