In the entire world, Dilantha (Dilantha 
) is quite a rare male first name. The given name Dilantha is characteristic of Sri Lanka, where it is quite a rare male name, and United Arab Emirates, where it is a rare boy's name. Very seldom, Dilantha is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Dilantha | United Arab Emirates, Italy, United Kingdom, Sri Lanka, Malaysia |
| dilantha malagamuwa Sri Lankan racing driver, LK (b. 1963) |
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| dilantha gunawardana researcher |
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| dilantha fernando researcher |
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