Cognomen ภูมิเดชา (Poomdecha 
, ภูมิเดชา , Phumdecha ) , throughout the world, is an extremely rare last name. Much more frequently, ภูมิเดชา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Poomdeacha, Poomdecha, Phumdecha, ภูมิเดชา | Thailand |
Phoomdecha, and Poomdacha