Cognomen Madushika (Madushika 
) , in all the world, is quite a common surname. The family name Madushika is characteristic of Sri Lanka, where it is quite a common surname, Kuwait, where it is quite a rare surname, and Qatar, where it is a rare surname. In absolute terms, it most frequently occurs in Sri Lanka, United Arab Emirates, and Kuwait. Likewise, Madushika is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Madushika | United Arab Emirates, Oman, Kuwait, Saudi Arabia, Sri Lanka |