[4] Their main home ground is the Swansea.com Stadium, Swansea, although some smaller profile games have been played at the Brewery Field, Bridgend.

The Ospreys are the most successful Welsh team in the history of the Celtic League or Pro12 tournament, having won the competition four times.

[7] 5 September 2003 saw the region play their first competitive game, a 41–30 Celtic League home win over Irish province Ulster at The Gnoll in Neath.

[9] They struggled to recover from their opening defeat, finishing bottom of their pool, recording their only victory against the Tykes' at home in the final round at St.

[11] Following the demise of the Celtic Warriors region on 1 June 2004,[12] the Neath–Swansea Ospreys had their borders extended to cover much of the Bridgend and Ogmore areas to the east.

[14] Former Warriors players David Bishop, Brent Cockbain, Ryan Jones and Sonny Parker were signed by the Ospreys'.

In April 2006 it was announced that noted former New Zealand All Blacks scrum half Justin Marshall had signed to play for Ospreys.

On 21 April 2009, the Ospreys had six players included in the British & Irish Lions' squad for the 2009 South African tour: Lee Byrne (fullback), Tommy Bowe and Shane Williams (wings), Mike Phillips (scrum-half), Alun Wyn Jones (lock) and Adam Jones (prop).

[27] Following a wide-ranging review, Andrew Hore, previously elite performance director at the Ospreys, became on 26 April 2011 chief operations officer at the region.

[29] Both Holley and Johnson's final game as part of the coaching setup at the Liberty Stadium had been a 36–5 away loss to Biarritz, which marked the end of a Heineken Cup campaign that saw them again fail to win on their travels.

[33] The season also began with notable squad changes, with record points scorer Dan Biggar departing for Northampton Saints,[34] and stalwart Paul James retiring.

[35] The Ospreys were boosted with the signings of Welsh internationals George North,[36] Scott Williams,[37] and Aled Davies.

[38] The season saw a modest improvement for the Ospreys, winning 12 matches and losing 9, as well as beating west Wales rivals the Scarlets for a Champions Cup place.

[40] He succeeded in sparking the region back to life, including an away win at eventual champions Leinster [41] and a return to top tier European competition for the following season.

In 2021–2022, the rebranded United Rugby Championship saw the Ospreys win the Welsh Shield, but struggle in the Champions Cup, losing all of their group games.

The Ospreys' European Champions Cup campaign started in ominous fashion, as a much-changed Leicester team defeated them at the Swansea.com stadium.

As one of the lowest-seeded teams in the competition, the Ospreys would have to play the reigning English and French champions home and away in their group games.

Against all expectations, and inspired by the arrival of master-tactician fly-half Owen Williams after the break-up of Worcester Warriors, the Ospreys beat Montpellier.

[47] On 12 November 2010 the team played their first competitive fixture at the Brewery Field home ground of Bridgend Ravens in the Anglo-Welsh Cup.

[52] This lasted until 2023 as in June of the same year, the Ospreys announced that they had signed a multi-year partnership with sportswear manufacturer Macron.

Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks Props Hookers Locks Back row Scrum-halves Fly-halves Centres Wings Fullbacks Management Coaching The following players have represented Wales internationally and represented the Ospreys.