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All around the world, Thammatat (Thammatat ) is an extremely rare boy's forename. Much less frequently, Thammatat is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thammatat | Thailand |
Yokhai, Puyanusorn, Eamsiriwat, Ninlapat, Saengmanee, Asawathepmetha, Kittitanawat, Jencharoenpan, Thammawaro, Jancharoenpan, Thammawaroo, Srisittidecharak, and Titawattanakul