Globally, บุญนาค (บุญนาค 
, Boonnak 
, Bunnak 
) is quite a rare unisex forename. The first name บุญนาค is characteristic of Thailand, where it is quite a rare gender-neutral name, the United States, where it is an extremely rare gender-neutral name, and India, where it is an extremely rare girly name. Also, บุญนาค is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| บุญนาค | Thailand |
| Boonnak | United Kingdom, Malaysia, United States, Thailand |
| Bunnak | Malaysia, Thailand, India, United States, Cambodia |
| Boonnark | Australia, United States, Thailand, China |