Surname ดิลกพิทยาธร (ดิลกพิทยาธร 
, Dilokphitayathon , Dilokphittayathorn) , globally, is a very rare cognomen. The surname ดิลกพิทยาธร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ดิลกพิทยาธร, Dilokphitayathon, Dilokphitthayathorn | Thailand |