Cognomen Muchaya (Muchaya 
) , worldwide, is a rare family name. The cognomen Muchaya is habitual in Zimbabwe, where it is a rare surname, South Africa, where it is an extremely rare surname, and India. Very seldom, Muchaya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muchaya | Indonesia, Zimbabwe, South Africa, India, Thailand |