Family name ทีฆไทธนจิโรจ (ทีฆไทธนจิโรจ 
) , in all the world, is an extremely rare cognomen. The cognomen ทีฆไทธนจิโรจ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทีฆไทธนจิโรจ | Thailand |