Family name Kilm (Kilm 
) , around the world, is a very rare last name. The cognomen Kilm is characteristic of Estonia, where it is quite a rare surname, Finland, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it is commonest in Estonia, Argentina, and the United States. Much less frequently, Kilm is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kilm | Finland, Estonia, Argentina, India, United States |