Last name Rathakrishnan (Rathakrishnan 
) , around the world, is quite a rare cognomen. The surname Rathakrishnan is characteristic of Malaysia, where it is quite a rare surname, Sri Lanka, and Singapore. In absolute terms, it is the most numerous in Malaysia, Sri Lanka, and India. Much less frequently, Rathakrishnan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rathakrishnan | United Arab Emirates, Sri Lanka, Malaysia, Australia, India |
| anusyah rathakrishnan researcher |
|
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| rahul rathakrishnan researcher (ORCID 0000-0003-2078-1759) |
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| jaya rathakrishnan |
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