Family name Triandis (Triandis 
) , across the world, is a very rare last name. The family name Triandis is characteristic of Canada, where it is an extremely rare surname, Germany, and the United States. Much less frequently, Triandis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Triandis | United States, Canada, Germany |
| harry c. triandis Greek–American psychologist, US (b. 1926) |
|