Throughout the world, Dulnuan (Dulnuan 
) is a rare principally boy's, but very seldom feminine forename. The first name Dulnuan is characteristic of South-eastern Asia, particularly Philippines, where it is a rare principally male, but very infrequently female name. Much more frequently, Dulnuan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dulnuan | Philippines, United Arab Emirates, Japan, Saudi Arabia, Laos |