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Last name Ngammuangpak (Ngammuangpak ) , all around the world, is a very rare surname. The cognomen Ngammuangpak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ngammuangpak | Thailand |
Saifon, Saharat, Supanan, Kullanat, and Duangkamon