Cognomen Chillman (Chillman 
) , in all the world, is a rare family name. The family name Chillman is habitual in Canada, where it is a rare surname, the United Kingdom, and Australia, where it is a very rare surname. In absolute terms, it is commonest in the United Kingdom, Canada, and the United States. Much less frequently, Chillman is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chillman | United Kingdom, Spain, Australia, United States, Canada |