Surname ธีรยุไกรหิรัญ (ธีรยุไกรหิรัญ 
) , around the world, is an extremely rare cognomen. The last name ธีรยุไกรหิรัญ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธีรยุไกรหิรัญ | Thailand |