Most rugby union Tri-Nations titles
- New Zealand
- 11 total number
- Not Applicable
The most rugby union Tri-Nations titles is 11 by New Zealand, who has won in 1996-97, 1999, 2002-03, 2005-08, 2010 and 2012. In 2012, New Zealand also won the first Rugby Championship, the competition that replaced the Tri-Nations after the entry of Argentina.