Surname ธัญพิชา (ธัญพิชา 
, Thunpicha , Thanphicha ) , all around the world, is an extremely rare last name. Much more prevalently, ธัญพิชา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thunpicha, Thanphicha, ธัญพิชา, Thunphicha | Thailand |
Thanyaphicha, and Thanyapicha