Last name พึ่งพา (Rely 
, Relyea 
, Phuengpha 
) , around the world, is quite a rare cognomen. The surname พึ่งพา is characteristic of Honduras, where it is a rare surname, the United States, and Romania. Not in comparison with a country's population, it is the most numerous in the United States, Indonesia, and Honduras. Also, พึ่งพา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rely | Peru, Philippines, United States, Indonesia, Democratic Republic of the Congo |
| Relyea | Germany, Canada, United Kingdom, United States, Honduras |
| Phuengpha | Thailand |