Family name Mathii (Mathii 
) , in all the world, is a rare cognomen. The cognomen Mathii is habitual in Kenya, where it is a rare surname, Brazil, where it is an extremely rare surname, and India. Very seldom, Mathii is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mathii | Uruguay, Brazil, India, Argentina, Kenya |