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