Cognomen สนธิกา (สนธิกา 
) , all over the world, is a very rare family name. The surname สนธิกา is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, สนธิกา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สนธิกา | Thailand |