Last name Hillan (Hillan 
) , in the world, is a rare family name. The surname Hillan is habitual in the United Kingdom, where it is a rare surname, Australia, and Ireland. In absolute terms, it is the most numerous in the United Kingdom, the United States, and Australia. Much less frequently, Hillan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hillan | Indonesia, United Kingdom, Spain, Australia, United States |
| sophia hillan writer and critic from Northern Ireland (b. 1950) |
|