Hettiarachchi is a surname. Notable people with the surname include:
- Dinuka Hettiarachchi (born 1976), Sri Lankan cricketer
- Gamini Hettiarachchi (1950–2019), Sri Lankan actor
- Indradasa Hettiarachchi, Sri Lankan politician
- Sunil Hettiarachchi (born 1937), Sri Lankan comedian and actor
- U. Hettiarachchi, Sri Lankan cricketer
![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/WPanthroponymy.svg/30px-WPanthroponymy.svg.png)
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