2023 Pacific Four Series squads

The 2023 Pacific Four Series is the 3rd edition of the Pacific Four Series, an annual rugby union competition sanctioned by World Rugby and contested by the national teams of, , and the. The Black Ferns are the defending Champions having won their first title in 2022.

Note: Number of caps are indicated as of the first match of the tournament (1 April 2023).

Australia
The Wallaroos announced their 31-player squad for the Pacific Four Series on 15 June.

Canada
On 15 March, Kevin Rouet named a 30-player squad for their Spain tour and for the Pacific Four Series opener against the United States in Madrid. On 3 July, Canada announced their 30-member squad for the Pacific Four Series matches in Ottawa.

 Notes: 

‡ Indicates players that were not selected for the second leg. new — indicates players that joined the team in the second leg.

New Zealand
The Black Ferns named their 30-member squad on 7 June.

United States
On 1 March, the Eagles named their 30-player traveling roster for their Spain tour and for the Pacific Four Series opener against Canada. On 17 June interim Head Coach, Rich Ashfield, named his 30-member squad for the second leg of the Pacific Four series.

 Notes: 

‡ Indicates players that were not selected for the second leg. new — indicates players that joined the team in the second leg.