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Family name Singrajphak (Singrajphak
) , globally, is an extremely rare surname. The last name Singrajphak is characteristic of Northern America, particularly Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Singrajphak | United States, Canada |
Anoma, Patrick, Souknapha, Phonsengvieng, Sabastian, Soukantha, and Soukhantha