Family name Mamayi (Mamayi 
) , globally, is a rare cognomen. The cognomen Mamayi is characteristic of Kenya, where it is a rare surname, South Africa, where it is an extremely rare surname, and France. In absolute terms, it is commonest in Kenya, China, and India. Also, Mamayi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mamayi | China, South Africa, Kenya, Nigeria, India |