Family name Prakayphet (Prakayphet 
) , in the world, is an extremely rare cognomen. Much more frequently, Prakayphet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prakayphet | United States, Thailand |
Wichai, Punwiset, Chusawarng, Chalayonnawin, and Rattananai