Cognomen Idasa (Idasa 
) , all over the world, is quite a rare family name. The surname Idasa is habitual in India, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Mexico. Not in comparison with a country's population, the name is most common in India, Nigeria, and China. More prevalently, Idasa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Idasa | Spain, Mexico, India, Nigeria, China |