Last name تيارا (Tiara 
, تيارا 
) , all around the world, is a common family name. The surname تيارا is habitual in Indonesia, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Taiwan. More frequently, تيارا is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiara | Brazil, Indonesia, United States, Taiwan, Malaysia |
| تيارا | Iran |