Surname Kaerger (Kaerger 
) , in the world, is a rare last name. The family name Kaerger is habitual in Germany, where it is a rare surname, Argentina, where it is a very rare surname, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Kaerger | Australia, Germany, United Kingdom, Argentina |
| karl kaerger (b. 1858) |
|
|
| willi kaerger |
|