Generally, Tri Nations refers to a sports competition between three national representative teams.
3 Nations, Tri Nations, or variation, may refer to:
Sports
Rugby
;In rugby union:
- Tri Nations (rugby union), between Australia, New Zealand and South Africa (superseded by The Rugby Championship)
- Pacific Tri-Nations, between Fiji, Samoa and Tonga
- North African Tri Nations, between Algeria , Morocco and Tunisia
;In rugby league:
- Rugby League Tri-Nations, between Australia, New Zealand and Great Britain
- Rugby League European Championship B, the inaugural edition was referred to as the Central Europe Development Tri-nations
Other sports
- Three Nations Senior Lacrosse League
- Beach Cricket Tri-Nations series
- Tri Nations (association football)
- 3 Nations Cup in women's ice hockey
Other uses
- Republic of Three Nations, a proposed country composed of Poland, Lithuania and Ruthenia
- Union of Three Nations, an upper classes pact against the peasantry in Transylvania
- Three Nations Crossing, a bridge in Canada, Akwesasne, USA
- Three-Nations Research Institute, a Japanese research company
See also
- Three Kingdoms (disambiguation)
- Four Nations (disambiguation)