Surname Udayni (Udayni 
) , globally, is a very rare family name. The surname Udayni is characteristic of Yemen, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Udayni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Udayni | India, United States, Yemen |