Cognomen Ydna (Ydna 
) , in the entire world, is a very rare surname. The last name Ydna is characteristic of Luxembourg, where it is quite a rare surname, Myanmar, where it is a rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Ydna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ydna | United States, India, Myanmar, Brazil, Luxembourg |