Cognomen Forsterling (Forsterling 
) , across the world, is a rare surname. The cognomen Forsterling is habitual in Belgium, where it is a rare surname, Spain, and Australia, where it is a very rare surname. Much less frequently, Forsterling is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Forsterling | Belgium, Spain, Australia, United States, Brazil |
| karsten forsterling Australian rower, AU (b. 1980) |
|