Cognomen Mafai (Mafai 
) , worldwide, is a rare surname. The cognomen Mafai is habitual in Algeria, where it is a rare surname, Nigeria, where it is a very rare surname, and South Africa. Also, Mafai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mafai | South Africa, Algeria, Nigeria, Thailand, India |
|
miriam mafai Italian journalist and writer, IT (b. 1926) |
|
| mario mafai Italian painter (1902-1965), IT (b. 1902) |
|
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| giulia mafai Italian costume designer, IT (b. 1930) |
|