Last name Mahawattage (Mahawattage 
) , around the globe, is a rare surname. The surname Mahawattage is characteristic of Sri Lanka, where it is quite a rare surname, Switzerland, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Mahawattage is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahawattage | Switzerland, United States, Sri Lanka, United Kingdom, China |