Cognomen Gunawardana (Gunawardana 
) , globally, is a common surname. The cognomen Gunawardana is characteristic of Sri Lanka, where it is a common surname, Maldives, where it is quite a rare surname, and Qatar. Measured by absolute frequency, the name is most common in Sri Lanka, United Arab Emirates, and Australia. Very seldom, Gunawardana is the forename as well as the last name.
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| Gunawardana | Saudi Arabia, Australia, Sri Lanka, Bangladesh, United Arab Emirates |
| leslie gunawardana Sri Lankan academic and politician, LK (b. 1938) |
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| asoka de zoysa gunawardana Sri Lankan judge, LK (b. 1942) |
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| jagath gunawardana lawyer, environmentalist and educator based in Sri Lanka (b. 1961) |
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| shehara gunawardana researcher (ORCID 0000-0001-7415-8992) |
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| disna gunawardana New Zealand entomologist, NZ |
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| dilantha gunawardana researcher |
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| jay gunawardana researcher ORCID ID = 0000-0003-2695-3849 |
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| shannon a gunawardana researcher (ORCID 0000-0002-2742-8475) |
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| chamara gunawardana researcher |
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| upul gunawardana researcher (ORCID 0000-0003-0932-5306) |
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| ruvini thashila gunawardana researcher (ORCID 0000-0003-3442-2458) |
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| k g s h gunawardana researcher |
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| subhadra c. gunawardana researcher |
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| natasha gunawardana researcher |
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| r. a. gunawardana |
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