Cognomen Deyà (Deyà 
) , across the world, is an extremely rare family name. The cognomen Deyà is habitual in Southern Europe, particularly Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Deyà | Spain |
| domènec sánchez i deyà Catalan classical violinist, composer and music teacher (1852-1925), ES (b. 1852) |
|