Surname Karatha (Karatha 
) , in all the world, is a rare last name. The cognomen Karatha is characteristic of Tanzania, where it is a very rare surname, Canada, where it is an extremely rare surname, and India. Not in comparison with a country's population, the name is most common in India, Tanzania, and the United States. Likewise, Karatha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Karatha | Tanzania, India, United States, Canada |