Surname Lasantha (Lasantha 
) , all over the world, is quite a common cognomen. The family name Lasantha is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is quite a rare surname, and United Arab Emirates. More frequently, Lasantha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lasantha | Bangladesh, Qatar, Saudi Arabia, Sri Lanka, United Arab Emirates |
| david lasantha screenwriter and actor (fl. in the 2010s) |
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| chamara lasantha cricketer, LK (b. 1981) |
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