Wanniarachchi
Wanniarachchi is a surname. Notable people with the surname include:
- Dharmadasa Wanniarachchi, Sri Lankan politician
- Manju Wanniarachchi, Sri Lankan amateur boxer
- Neranjana Wanniarachchi, Sri Lankan cricketer
- Pavithra Wanniarachchi, Sri Lankan politician
- Thisuri Wanniarachchi, Sri Lankan author