Last name Cába (Cappa 
, Cába 
) , all over the world, is quite a common family name. The cognomen Cába is habitual in Italy, where it is quite a rare surname, Argentina, and Belgium. Not in comparison with a country's population, it most frequently occurs in Italy, Argentina, and the United States. Very seldom, Cába is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cappa | Italy, France, United States, India, Argentina |
| Cába | Czechia, Ireland |
| domhnall mac cába IE (b. 1818) |
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| václav cába botanist (1846-1916) (b. 1846) |
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| cathaoir mac cába Mac Cába, Cathaoir (fl. 1728–1739), poet and harper, IE |
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| marek cába CZ (b. 1992) |
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