Surname Ernso (Ernso 
) , all around the world, is a rare family name. The family name Ernso is habitual in Latin America and the Caribbean, particularly Haiti, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Chile, where it is an extremely rare surname. Not in comparison with a country's population, it is the most numerous in Haiti, the Dominican Republic, and the United States. Also, Ernso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ernso | Haiti, Jamaica, Dominican Republic, Brazil, United States |