The 2025 Pacific Four Series is the 5th edition of the Pacific Four Series, an annual rugby union competition sanctioned by World Rugby and contested by the national teams of , , and the . Canada have won two titles — 2021 and 2024, and are the defending champions.
Note: Number of caps are indicated as of the first match of the tournament (2 May 2025).
Australia.
The Wallaroos squad for the series.
Head coach: Joanne Yapp
Canada.
Canada's 36-player squad was announced on 4 April 2025.
Head coach: Kévin Rouet
New Zealand.
New Zealand's 33-player squad was announced on 1 May 2025.
Head coach: Allan Bunting
United States.
On 27 March, Head coach, Sione Fukofuka, announced the Eagles roster for the series.