Family name Lajarubaabu (Lajarubaabu 
) , around the world, is an extremely rare surname. The cognomen Lajarubaabu is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Much more frequently, Lajarubaabu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lajarubaabu | India |