Cognomen Daunn (Daunn 
) , globally, is a very rare last name. The family name Daunn is characteristic of Myanmar, where it is a very rare surname, India, where it is an extremely rare surname, and Brazil. Also, Daunn is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Daunn | Brazil, Myanmar, India, South Africa, United States |