Family name Gayà (גאיה 
, Гайя 
, Gayà 
) , in the world, is a very rare cognomen. The cognomen Gayà is characteristic of Spain, where it is a very rare surname, Israel, and Ukraine, where it is an extremely rare surname. More prevalently, Gayà is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| גאיה | Israel |
| Гайя | Kazakhstan, Russia, Ukraine |
| Gayà | Spain |
| josep gayà Spanish politician, ES (b. 1800) |
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josé luis gayà Spanish association football player, ES (b. 1995) |
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| marta gayà mistress of Juan Carlos I, King of Spain, ES (b. 1949) |
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