Last name Dayamy (Dayamy 
) , in all the world, is a very rare surname. The cognomen Dayamy is habitual in Venezuela, where it is a very rare surname, Mexico, where it is an extremely rare surname, and Spain. Much more prevalently, Dayamy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dayamy | Spain, Mexico, United States, Cuba, India |