Family name Thamsir (Thamsir 
) , globally, is a rare last name. The surname Thamsir is habitual in Indonesia, where it is a very rare surname, Malaysia, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thamsir | Malaysia, Indonesia, United States, India |
| thamsir alamsyah Indonesian political candidate, ID |
|