Cognomen Leidar (Leidar 
) , all over the world, is a very rare family name. The family name Leidar is characteristic of Estonia, where it is a rare surname, and India, where it is an extremely rare surname. Likewise, Leidar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leidar | India, Estonia, Colombia |