Around the globe, Brian Isaac (Brian Isaac 
) is a very rare male given name. The first name Brian Isaac is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare masculine name. Much less frequently, Brian Isaac is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Brian Isaac | Spain, Philippines, Chile, Ecuador, Peru |
Evardoneq, Leyva Romero, and Freire Lema