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 | Moldova, Thailand, United States, India, Indonesia |
| Wanica | Brazil, United States, Jamaica, South Africa |
| วานิกา | Thailand |
| Vaniga | Peru, Thailand, India, South Africa |
อินตะวงศ์, and สมิทธิลีลา