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Cognomen Rungkul (Rungkul ) , throughout the world, is an extremely rare family name. The last name Rungkul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rungkul | Thailand |
Sarit, Sirivimon, Chittapol, and Putchaneekon