Last name ฐิติหิรัญวานิช (ฐิติหิรัญวานิช 
) , globally, is an extremely rare surname. The family name ฐิติหิรัญวานิช is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ฐิติหิรัญวานิช | Thailand |