Family name Diwai (Dawai 
, Diwai 
) , in the world, is quite a rare cognomen. The family name Diwai is habitual in Fiji, where it is quite a common surname, Cameroon, where it is quite a rare surname, and Kenya, where it is a rare surname. Likewise, Diwai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dawai | Nigeria, Pakistan, Kenya, Cameroon, Fiji |
| Diwai | Myanmar, Malaysia, India, China |