Worldwide, Udayani (Udayani 
) is a rare feminine first name. The first name Udayani is characteristic of Southern Asia, particularly India, where it is a very rare girly name. More prevalently, Udayani is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Udayani | United Kingdom, United States, India, Indonesia, Sri Lanka |