Family name Chamika (Chamika 
, ชามิกา 
) , all over the world, is quite a common cognomen. The surname Chamika is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, the name is most common in Sri Lanka, United Arab Emirates, and Saudi Arabia. More frequently, Chamika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chamika | Australia, United Arab Emirates, United States, Sri Lanka, Qatar |
| ชามิกา | Thailand |