Surname Krajangpo (Krajangpo 
) , worldwide, is a very rare last name. The cognomen Krajangpo is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Krajangpo | Thailand |
Opas, Sirikwan, Pilaipan, Patamaporn, and Pattaraporn