Cognomen Mattilda (Mattilda 
) , all over the world, is an extremely rare family name. The family name Mattilda is habitual in Spain, where it is an extremely rare surname, Nigeria, and India. Much more frequently, Mattilda is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mattilda | South Africa, Spain, Nigeria, United States, India |