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Cognomen Widanagamachchi (Widanagamachchi ) , around the globe, is quite a rare surname. The last name Widanagamachchi is habitual in Southern Asia, particularly Sri Lanka, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Widanagamachchi | Sri Lanka |
Mr, Thara, Supipi, Supuna, Prasad, Danushi, Hasitha, Vindhya, Metthananda, and Thusitha Kavinda