Surname วานิกา (Vanika 
, Wanica 
, วานิกา ) , all over the world, is a rare cognomen. The cognomen วานิกา is characteristic of Georgia, where it is a rare surname, Australia, where it is a very rare surname, and Indonesia. Measured by absolute frequency, it most frequently occurs in India, Indonesia, and Georgia. More prevalently, วานิกา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vanika | Indonesia, Moldova, India, Thailand, United States |
| Wanica | Brazil, United States, South Africa, Jamaica |
| วานิกา | Thailand |
| Vaniga | India, Peru, South Africa, Thailand |
อินตะวงศ์, and สมิทธิลีลา