The 2025 Rugby Championship was the fourteenth edition of the annual Southern Hemisphere rugby union competition, organised by SANZAAR, featuring the men's national teams of Argentina, Australia, New Zealand and South Africa.
South Africa entered the competition as the defending champions, and kicked off the tournament against Australia on 16 August. The three traditional unions, also known as the Tri-Nations, announced their 2025 home fixtures in November and December 2024. A notable fixture is set to be played between Argentina and South Africa in the final round at Twickenham Stadium in London, exactly one week after the 2025 Women's Rugby World Cup final. It is the second time a Rugby Championship match has been played at Twickenham Stadium, after Argentina played Australia during the 2016 Rugby Championship. It was also the last Rugby Championship before the beginning of the Nations Championship, and its last before its 2026 hiatus.
South Africa won the competition in the final round of the tournament, defeating Argentina 29âÂÂ27 in London on 4 October, securing their sixth Rugby Championship title.
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Note: Ages, caps and clubs/franchises are of 16 August 2025, the starting date of the tournament.
On 4 August, Argentina named a 34-player squad for the opening rounds of the Rugby Championship.
On 18 August, Emiliano Boffelli, BenjamÃÂn Grondona and Leonel Oviedo were called up to the squad ahead of the second round.
On 25 August, Argentina named a 32-player touring squad for their round 3 and 4 matches against Australia, which saw the call-ups of Ignacio Calles, Tomas Rapetti and Nicolas Roger.
On 7 August, Australia named a 35-player squad for the opening rounds of the Rugby Championship.
On 28 August, Australia named a 36-player squad for their round 3 and 4 matches against Argentina, which saw the call-ups of Allan Alaalatoa, Josh Canham, Filipo Daugunu, Tom Lynagh, Harry Potter, Pete Samu and Hamish Stewart.
On 4 August, New Zealand named a 36-player squad for the Rugby Championship.
George Bower, Tevita Mafileo, Josh Lord, Finlay Christie, Kyle Preston, and Leroy Carter were named as injury cover for the start of the Championship.
On 23 July, South Africa named a 37-player squad for the opening rounds of the Rugby Championship.
On 19 August, Thomas du Toit was re-called to the squad ahead of the second round.
On 25 August, South Africa named a 36-player touring squad for their round 3 and 4 matches against New Zealand, which included the re-call of Jasper Wiese and Makazole Mapimpi.