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Cognomen Thammaroj (Thammaroj
, อุณหโรจน์
) , all around the world, is a very rare last name. The last name Thammaroj is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Thammaroj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thammaroj | United States, Thailand |
| อุณหโรจน์ | Thailand |