Surname วานิชา (Vanisha 
, Vanicha 
, วานิชา ) , across the world, is a rare last name. The cognomen วานิชา is characteristic of Mauritius, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Indonesia. Measured by absolute frequency, it is commonest in Indonesia, Mauritius, and India. More prevalently, วานิชา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vanisha | Mauritius, Malaysia, Thailand, United States, India |
| Vanicha | China, Thailand, United States, India, Democratic Republic of the Congo |
| วานิชา | Thailand |
มะลา, แปรพิมพา, ราชลักษณ์, ศรีจันทร์, and เหลืองรุงทรัพย์