Family name ฐานถิร (ฐานถิร 
) , across the world, is a very rare cognomen. The surname ฐานถิร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฐานถิร | Thailand |
สุดาพร, and พงษ์พิพัฒน์