Cognomen Koyaingam (Koyaingam 
) , all around the world, is a very rare surname. The surname Koyaingam is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. Likewise, Koyaingam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koyaingam | India |