Last name Nallaperuma (Nallaperuma 
) , in the world, is a rare cognomen. The cognomen Nallaperuma is habitual in Sri Lanka, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Nallaperuma | United States, New Zealand, Australia, Sri Lanka |
| samadhi nethmini nallaperuma Ph.D. University of Adelaide 2015 |
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| kaushalya nallaperuma researcher (marketing) |
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| romesh nallaperuma Sri Lankan cricketer (b. 1998) |
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