Cognomen خلة (خلة 
, Khillah 
) , all over the world, is a rare last name. The last name خلة is characteristic of Palestinian Territory, where it is a rare surname, Egypt, and Israel, where it is a very rare surname. In absolute terms, it is the most numerous in Egypt, Palestinian Territory, and the United States. Very seldom, خلة is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| خلة | Egypt, Iraq, Palestinian Territory, Israel |
| Khillah | Palestinian Territory, United States |