Last name โอภา (Greet 
, Opha 
, โอภา ) , in the world, is quite a rare cognomen. The last name โอภา is habitual in Belgium, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. In absolute terms, it most frequently occurs in India, the United Kingdom, and Belgium. Also, โอภา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Greet | Netherlands, India, United States, Belgium, United Kingdom |
| Opha | Thailand, Nigeria, Indonesia, India, United States |
| โอภา | Thailand |