Cognomen Ketterling (Ketterling 
) , in the world, is a rare last name. The surname Ketterling is habitual in the United States, where it is a rare surname, Germany, where it is a very rare surname, and New Zealand. In absolute terms, it is commonest in the United States, Germany, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Ketterling | Germany, Spain, United States, Canada, New Zealand |
| jeffrey a ketterling researcher ORCID ID = 0000-0002-1389-7756 |
|
|
| rhett p. ketterling researcher |
|