Cognomen Jas (Jas 
, Jasi 
, Jatz 
) , in the world, is a common family name. The surname Jas is habitual in Western Asia, particularly Qatar, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Bahrain. Not in comparison with a country's population, this name is the most popular in India, Indonesia, and Saudi Arabia. More prevalently, Jas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jas | Myanmar, India, Algeria, United States, Indonesia |
| Jasi | Saudi Arabia, India, United Kingdom, United States, Indonesia |
| Jatz | France, United Kingdom, United States, Germany, Slovakia |
| Джас | Kazakhstan, Russia, Kyrgyzstan, Ukraine |
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ricardo jas Dutch skier, NL (b. 1993) |
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| michel jas French Protestant pastor and essayist, FR (b. 1953) |
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| mona jas DE (b. 1963) |
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| gouri s jas researcher (ORCID 0000-0002-0774-012X) |
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| marta jas-koziarkiewicz researcher, PL |
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| maria jas Polish artist, active 20th century, PL |
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| abhijit jas Ph.D. University of Texas at Austin 2001 |
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| jorien jas |
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| eric jas |
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