Throughout the world, Sethus (Sethus 
) is an extremely rare unknown gender given name. Very seldom, Sethus is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sethus | India, United States |
| sethus calvisius German pastor, DE (b. 1596) |
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| sethus calvisius der jüngere German author and theologian (1639-1698), DE (b. 1639) |
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| sethus heinrich calvisius DE (b. 1677) |
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