Surname Dewaraja (Dewaraja 
) , throughout the world, is a rare family name. The family name Dewaraja is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Dewaraja is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dewaraja | India, Sri Lanka, Malaysia, United States |
| lorna dewaraja Sri Lankan historian (b. 1929) |
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| yuni k dewaraja researcher |
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