Last name Mahawaduge (Mahawaduge 
) , globally, is a rare cognomen. The cognomen Mahawaduge is habitual in Sri Lanka, where it is a rare surname, New Zealand, where it is a very rare surname, and Italy, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, Italy, and the United States. Very seldom, Mahawaduge is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahawaduge | Sri Lanka, United Kingdom, Italy, New Zealand, United States |