Last name Alcaín (Alcaín 
) , all around the world, is an extremely rare cognomen. The cognomen Alcaín is habitual in Southern Europe, particularly Spain, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Alcaín | Spain |
|
gonzalo alcaín Spanish singer, ES (b. 1980) |
|
| alfredo alcaín Spanish painter, ES (b. 1936) |
|