Family name Prajuck (Prajuck 
) , throughout the world, is an extremely rare cognomen. Much more frequently, Prajuck is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Prajuck | Thailand, United States |
Pugboonme, Massiri, Boonaree, Laopromsukol, and Boonlertsakskul