Cognomen Dharmaratne (Dharmaratne 
) , in the entire world, is quite a common family name. The surname Dharmaratne is habitual in Sri Lanka, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and Australia. Very seldom, Dharmaratne is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dharmaratne | Australia, United States, United Arab Emirates, Malaysia, Sri Lanka |
| ranjith dharmaratne researcher (ORCID 0000-0003-2546-2060) |
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| priyanga dharmaratne researcher |
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| samath dhamminda dharmaratne researcher |
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| samath d dharmaratne researcher (ORCID 0000-0003-4144-2107) |
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| sanjeewa dharmaratne |
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