Last name Monwai (Monwai 
) , all over the world, is a very rare cognomen. The cognomen Monwai is characteristic of Myanmar, where it is a rare surname, South Africa, where it is an extremely rare surname, and the United States. Very seldom, Monwai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Monwai | United States, Myanmar, South Africa |