Surname Marethia (Marethia 
) , throughout the world, is a very rare last name. The surname Marethia is habitual in Indonesia, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Much less frequently, Marethia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Marethia | Indonesia, India, United States |