In the entire world, กุลภักดิ์ (กุลภักดิ์ 
, Kulapak 
, Kulpak 
) is an extremely rare unisex given name. More prevalently, กุลภักดิ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| กุลภักดิ์, Kulpakde | Thailand |
| Kulapak | India, Thailand |
| Kulpak | Turkey, Germany, India, United States, Poland |
Kullapak, Kullaphuk, Kulpags, Kunlapakdee, Kunlapaphug, and Kunlapapuk