Around the globe, พันธกาล (พันธกาล 
) is a very rare mostly female, but seldom male first name. The given name พันธกาล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly girly, but seldom male name. Likewise, พันธกาล is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| พันธกาล | Thailand |