Cognomen Mwanache (Mwanache 
) , in the entire world, is a rare surname. The cognomen Mwanache is habitual in Tanzania, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Much less frequently, Mwanache is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mwanache | United Kingdom, United States, Tanzania |