Family name Mwasy (Mwasy 
) , around the globe, is a very rare last name. The last name Mwasy is habitual in Tanzania, where it is a rare surname, Israel, where it is a very rare surname, and South Africa, where it is an extremely rare surname. Also, Mwasy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mwasy | Tanzania, Israel, South Africa |