Cognomen Csia (Csia 
) , throughout the world, is a rare family name. The last name Csia is habitual in Hungary, where it is quite a rare surname, Kenya, where it is a rare surname, and the United States, where it is an extremely rare surname. Also, Csia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Csia | Taiwan, Kenya, United States, Hungary |
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csia sándor Hungarian politician (1894-1946), HU (b. 1894) |
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| csia sándor Hungarian physician (1885–1962), HU (b. 1885) |
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| lajos csia UA (b. 1887) |
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