Throughout the world, อินทวรรณ (Intawan 
, อินทวรรณ , Inthawan 
) is a very rare mostly girly, but seldom boy's first name. The forename อินทวรรณ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly feminine, but uncommonly male name. More frequently, อินทวรรณ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Intawan | Philippines, United States, Thailand |
| อินทวรรณ | Thailand |
| Inthawan | Japan, Thailand |