Family name ธีรติ (ธีรติ 
, Thirati 
, Theerati ) , in the world, is a very rare last name. The surname ธีรติ is characteristic of Thailand, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. More prevalently, ธีรติ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ธีรติ, Theerati | Thailand |
| Thirati | United States, Thailand, India |