Cognomen Lumbai (Lumbai 
) , around the globe, is a rare surname. The cognomen Lumbai is characteristic of Malaysia, where it is a rare surname, and Tanzania, where it is a very rare surname. Also, Lumbai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lumbai | Tanzania, India, Malaysia, Philippines |