Around the globe, Iaisa (Iaisa 
) is a very rare mostly feminine, but infrequently male first name. The forename Iaisa is habitual in Southern Asia, particularly India, where it is an extremely rare unisex name. Very seldom, Iaisa is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Iaisa | Philippines, United States, India, Brazil, Venezuela |