Last name พันธุ์สมุทร (พันธุ์สมุทร 
) , worldwide, is a very rare surname. The last name พันธุ์สมุทร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, พันธุ์สมุทร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พันธุ์สมุทร | Thailand |