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Family name Ruammai (Ruammai ) , all around the world, is a very rare cognomen. The surname Ruammai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ruammai | Thailand |
Decha, Tanin, Kanjana, Chayanon, Nuntapuck, Chonnapat, Peerachanon, Narawadee, and Kanjanawipa