Family name Manawasinghe (Manawasinghe 
) , in all the world, is a rare cognomen. The family name Manawasinghe is habitual in Sri Lanka, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Manawasinghe | United States, Sri Lanka, New Zealand, Australia |
| sri chandraratne manawasinghe Sri Lankan poet and journalist (1913–1964) (b. 1913) |
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| ishara s. manawasinghe Sri Lankan mycologist |
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| ishara s manawasinghe researcher |
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