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In the entire world, Rittisak (ฤทธิ์ศักดิ์ , Rittisak
) is a rare masculine first name. The forename Rittisak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare masculine name. Likewise, Rittisak is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิ์ศักดิ์ | Thailand |
| Rittisak | United States, Thailand |