Family name เถระ (Thera 
, เถระ 
) , across the world, is quite a common surname. The surname เถระ is habitual in Sub-Saharan Africa, particularly Mali, where it is quite a common surname, Malawi, where it is a rare surname, and Ivory Coast. Not in comparison with a country's population, it most frequently occurs in Mali, Indonesia, and India. Likewise, เถระ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thera | India, Mali, Democratic Republic of the Congo, United States, Indonesia |
| เถระ | Thailand |