Cognomen Hiliard (Hiliard 
) , all around the world, is a very rare surname. The last name Hiliard is characteristic of Canada, where it is an extremely rare surname, Venezuela, and the United States. Likewise, Hiliard is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hiliard | South Africa, Canada, Philippines, Venezuela, United States |