Pacific Four Series
| Current season or competition: 2025 Pacific Four Series | |
| Sport | Rugby union |
|---|---|
| Instituted | 2021 |
| Number of teams | 4 |
| Countries | Australia Canada New Zealand United States |
| Holders | New Zealand (3rd in 2025) |
| Most titles | New Zealand (3 titles) |
The Pacific Four Series is an international rugby union competition that is sanctioned by World Rugby. It is contested between four women's national teams — Australia, Canada, New Zealand, and the United States. It began in 2021 and was initially contested between Canada and the United States. They were later joined by Australia and New Zealand in 2022.