Cognomen Kiiss (Kiiss 
) , in the world, is a very rare family name. The cognomen Kiiss is characteristic of Estonia, where it is a rare surname, Colombia, where it is a very rare surname, and France. In absolute terms, it is the most numerous in Colombia, France, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Kiiss | Estonia, Colombia, Mexico, France, United States |
| august kiiss Estonian music teacher and composer, EE (b. 1882) |
|