Cognomen โดนัท (Donu 
, โดนัท 
, Dounginth ) , all around the world, is quite a rare family name. The cognomen โดนัท is characteristic of Fiji, where it is quite a rare surname, Moldova, and Romania. In absolute terms, it most frequently occurs in Ghana, Romania, and India. Likewise, โดนัท is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Donu | Romania, Ghana, Fiji, India, Bangladesh |
| Dounginth, Dounguttha, โดนัท | Thailand |