Family name Balarajah (Balarajah 
) , around the globe, is a very rare cognomen. The surname Balarajah is characteristic of Singapore, where it is a rare surname, Norway, where it is a very rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United Kingdom, Germany, and Singapore. Likewise, Balarajah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Balarajah | Germany, Norway, Singapore, United Kingdom, Malaysia |