Surname Appadu (Appadu 
) , worldwide, is quite a rare cognomen. The surname Appadu is characteristic of Mauritius, where it is quite a common surname, Malaysia, where it is a rare surname, and South Africa. Measured by absolute frequency, it is commonest in Mauritius, India, and South Africa. More prevalently, Appadu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Appadu | Malaysia, Mauritius, United States, India, South Africa |