Surname พัทธานนท์ (พัทธานนท์ 
) , around the globe, is an extremely rare last name. The surname พัทธานนท์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| พัทธานนท์ | Thailand |
Patchatanon, and Pattanon