Family name ฐานสิงห์ (Thansing 
, ฐานสิงห์ 
) , throughout the world, is a very rare cognomen. The last name ฐานสิงห์ is habitual in Thailand, where it is an extremely rare surname, and India. Much more frequently, ฐานสิงห์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thansing | India |
| ฐานสิงห์ | Thailand |