| name | jurisdiction | date founded | city Headquarters | administrative division Headquarters | country Headquarters | continent Headquarters | Country | continent | sport | Website |
|---|---|---|---|---|---|---|---|---|---|---|
| Federazione di rugby a 15 di Saint Vincent e Grenadine | Regional | uncertain | Kingstown | Saint George Parish | Saint Vincent and the Grenadines | Americas | Saint Vincent and the Grenadines | Americas | Rugby union | Website |
| Federazione rugby XV di Saint Vincent e Grenadine | Regional | uncertain | Kingstown | Saint George Parish | Saint Vincent and the Grenadines | Americas | Saint Vincent and the Grenadines | Americas | Rugby union | Website |
| Unión Andina de Rugby | Regional | 2007 | La Rioja, Argentina | La Rioja | Argentina | Americas | Argentina | Americas | Rugby union | Website |
| Unión Austral de Rugby | Regional | 1971 | Comodoro Rivadavia | Chubut | Argentina | Americas | Argentina | Americas | Rugby union | Website |
| Unión de Rugby del Valle del Chubut | Regional | 1971 | Trelew | Chubut | Argentina | Americas | Argentina | Americas | Rugby union | Website |