Surname Kieras (Kieras 
, Керас 
) , around the globe, is quite a rare cognomen. The surname Kieras is habitual in Lithuania, where it is quite a rare surname, Poland, where it is a rare surname, and Estonia. Not in comparison with a country's population, it is the most numerous in India, Poland, and the United States. More prevalently, Kieras is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kieras | Brazil, Germany, Poland, United States, India |
| Керас | Russia, Ukraine, Armenia, Kyrgyzstan, Belarus |
| paul kieras DE (b. 1918) |
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| david kieras researcher |
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| jana kieras German association football player, DE (b. 1987) |
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