Last name Phattiyakul (Phattiyakul 
) , in all the world, is a very rare cognomen. The last name Phattiyakul is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phattiyakul | United States, Thailand |
| winai phattiyakul (b. 1948) |
|