The 2004 mid-year rugby union tests (also known as the Summer Internationals in the Northern Hemisphere) refer to international rugby union matches that are played through June, mostly in the Southern Hemisphere.
Four test series took place in the window with Argentina hosting Wales, Australia hosting Scotland, New Zealand hosting England and South Africa hosting Ireland.
The Pacific Islanders played matches against Australia, New Zealand and South Africa, losing all three matches.
| Tour | Result | Victor |
|---|---|---|
| New Zealand v England test series | 2–0 | |
| Argentina v Wales test series | 1–1 | Drawn |
| South Africa v Ireland test series | 2–0 | |
| Australia v Scotland test series | 2–0 | |
| Team/Tour | Opponents | |
|---|---|---|
| Barbarians tour | (W) - (L) - (W) - (W) | |
| French tour | (W) - (W) | |
| Italian tour | (L) - (W) | |
| Pacific Islanders tour | (L) - (L) - (L) |
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