Family name Ildegar (Ildegar 
) , around the globe, is a rare cognomen. The cognomen Ildegar is habitual in Venezuela, where it is a rare surname, Spain, where it is a very rare surname, and Mexico. Also, Ildegar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ildegar | Brazil, Spain, Mexico, Peru, Venezuela |