Surname Thasia (Thasia 
) , worldwide, is a rare cognomen. The last name Thasia is habitual in Indonesia, where it is a very rare surname, Honduras, and Nigeria, where it is an extremely rare surname. In absolute terms, it is commonest in Indonesia, India, and Nigeria. More frequently, Thasia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thasia | Indonesia, United States, India, Myanmar, Brazil |