Cognomen Mattappilly (Mattappilly 
) , in the entire world, is a very rare family name. The last name Mattappilly is characteristic of Qatar, where it is quite a rare surname, and India, where it is an extremely rare surname. Much less frequently, Mattappilly is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mattappilly | Qatar, Singapore, India |