Cognomen Kadmin (Kadmin 
) , in all the world, is a very rare last name. The surname Kadmin is characteristic of Malaysia, where it is a rare surname, Canada, where it is a very rare surname, and China, where it is an extremely rare surname. Much less frequently, Kadmin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kadmin | China, Malaysia, India, Canada |