Surname Isaic (Isaic 
) , around the globe, is a rare family name. The last name Isaic is characteristic of Romania, where it is a rare surname, Nicaragua, and Venezuela, where it is a very rare surname. In absolute terms, it is the most numerous in Romania, Nigeria, and Mexico. Likewise, Isaic is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isaic | Romania, Mexico, Nigeria, United States, Venezuela |