Family name ฐาณิยา (Thaniya 
, ฐาณิยา ) , in the entire world, is a very rare last name. The family name ฐาณิยา is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Thailand. Measured by absolute frequency, it is commonest in Indonesia, India, and Thailand. Much more prevalently, ฐาณิยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thaniya | Tanzania, Sri Lanka, India, Thailand, Indonesia |
| ฐาณิยา | Thailand |
พรวัฒนเจริญ, and ศรีจันทร์ดี