Last name Thangarajah (Thangarajah 
) , in all the world, is quite a rare surname. The cognomen Thangarajah is characteristic of Sri Lanka, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Canada, where it is a rare surname. Also, Thangarajah is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thangarajah | Australia, Canada, United Kingdom, Sri Lanka, Malaysia |
| john thangarajah researcher |
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| dharshi thangarajah researcher (ORCID 0000-0001-9477-3466) |
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| fabinshy thangarajah researcher |
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| pamini paramanathan thangarajah Ph.D. University of Calgary 2001 |
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