Throughout the world, Isaias Nicolas (Isaias Nicolas 
) is a very rare boy's first name. The forename Isaias Nicolas is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare boy's name, and Peru, where it is a very rare male name. Much less frequently, Isaias Nicolas is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Isaias Nicolas | Ecuador, Chile, Peru, Argentina |