Surname Triance (Triance 
) , in the world, is a rare cognomen. The family name Triance is habitual in Canada, where it is a rare surname, the United Kingdom, and Australia, where it is a very rare surname. Measured by absolute frequency, it is commonest in the United Kingdom, the United States, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Triance | Canada, United Kingdom, United States, Australia |