Across the world, Tetrin (Tetrin 
) is a very rare principally girly, but scarcely male forename. The given name Tetrin is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare feminine name. Very seldom, Tetrin is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tetrin | Canada, United States, India, Indonesia |