Cognomen Smerald (Smerald 
) , across the world, is a very rare last name. The last name Smerald is characteristic of the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Smerald is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smerald | United States, United Kingdom |
| andrew smerald researcher |
|