Cognomen Jaiger (Jaiger 
) , in the world, is a very rare surname. The last name Jaiger is characteristic of Venezuela, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Brazil. More frequently, Jaiger is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jaiger | Brazil, Guatemala, Philippines, Peru, Venezuela |