Globally, นพหทัย (นพหทัย 
) is a very rare predominantly female, but scarcely masculine first name. The forename นพหทัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare principally feminine, but very seldom male name.
| VARIANT | COUNTRY |
|---|---|
| นพหทัย | Thailand |
บุญลาภ, and จารุสินธนากร