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Cognomen Sathu (Sathu
, สาธุ
, สาทุ
) , across the world, is quite a rare family name. The surname Sathu is habitual in Qatar, where it is quite a rare surname, Sri Lanka, and United Arab Emirates, where it is a rare surname. Measured by absolute frequency, this name is the most popular in India, Thailand, and Sri Lanka. Likewise, Sathu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sathu | Myanmar, India, Nepal, Sri Lanka, Thailand |
| สาธุ, สาทุ | Thailand |