Surname Vainga (Vainga 
) , in all the world, is a rare family name. The cognomen Vainga is habitual in New Zealand, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Very seldom, Vainga is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Vainga | India, United States, New Zealand |