Across the world, Niroshan (Niroshan 
) is quite a common boy's first name. The first name Niroshan is characteristic of Sri Lanka, where it is quite a common boy's name, Qatar, where it is quite a rare male name, and United Arab Emirates. Measured by absolute frequency, this name is the most popular in Sri Lanka, United Arab Emirates, and Saudi Arabia. Likewise, Niroshan is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Niroshan | United Arab Emirates, Saudi Arabia, Indonesia, Sri Lanka, Qatar |
| niroshan de silva Sri Lankan-born American cricketer, LK (b. 1971) |
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| niroshan sivathasan researcher |
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| niroshan nadarajah researcher (ORCID 0000-0002-6486-9675) |
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| niroshan lokunarangoda researcher |
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| niroshan siva researcher (ORCID 0000-0001-6736-4325) |
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| niroshan nilmin kumara perera withanage Ph.D. University of Calgary 2013 |
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| niroshan premaratne Sri Lankan politician, LK (b. 1981) |
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| niroshan mani Indian Professional Footballer, IN (b. 1988) |
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