Surname ยุพราช (ยุพราช 
, Yuppharat , Yuphaphak ) , in the world, is an extremely rare cognomen. Much more prevalently, ยุพราช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yuppharat, Yuphaphak, ยุพราช | Thailand |
Yoopharat, Yoopracham, Yooprajum, Yooprathet, Yupaphron, Yuparach, Yuparak, Yuparase, Yuparat, Yuparut, Yuphapron, Yupharaj, Yupharat, Yupparach, Yupparaj, Yupparat, Yuppharach, Yuppharate, and Yuprachak