Surname ជា (ជា 
, Chea 
) , worldwide, is a widespread cognomen. The cognomen ជា is characteristic of Cambodia, where it is a prevalent surname, Liberia, where it is quite a common surname, and Bahamas. Measured by absolute frequency, it is the most numerous in Cambodia, South Korea, and the United States. Much less frequently, ជា is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ជា | Cambodia |
| Chea | Malaysia, South Korea, Liberia, Cambodia, United States |
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ជា ស៊ីម Cambodian politician (1932-2015), KH (b. 1932) |
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ជា វិជ្ជា Assassinated Cambodian activist, KH (b. 1960) |
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| ជា យុទ្ធថន Cambodian actor, KH (b. 1935) |
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| ជា គឹមថា Cambodian diplomat, ambassador, KH (b. 1961) |
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