Cognomen Coalla (Coalla 
) , throughout the world, is a rare family name. The last name Coalla is characteristic of Uruguay, where it is quite a rare surname, Argentina, where it is a rare surname, and Spain. Measured by absolute frequency, it is the most numerous in Spain, Argentina, and Mexico. Also, Coalla is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Coalla | Spain, Uruguay, Mexico, United States, Argentina |
| juan fernández de córdoba y coalla Spanish military personnel, ES (b. 1595) |
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| leopoldo valiñas coalla Mexican linguist, MX (b. 1955) |
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| gonzalo peláez de coalla ES |
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