Throughout the world, Hettiarachchi (Hettiarachchi 
) is a rare male first name. The first name Hettiarachchi is habitual in Southern Asia, particularly Sri Lanka, where it is quite a rare male name. Much more prevalently, Hettiarachchi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Hettiarachchi | Saudi Arabia, Australia, Indonesia, United Arab Emirates, Sri Lanka |
| chandrasena hettiarachchi musical artist |
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| imali t hettiarachchi researcher (ORCID 0000-0002-4220-0970) |
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| ganga hettiarachchi researcher (ORCID 0000-0002-6669-2885) |
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| wijepala hettiarachchi Sri Lankan politician, LK |
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| dineshani hettiarachchi researcher |
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| shehan hettiarachchi cricketer, LK (b. 1994) |
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