Cognomen Hải Dương (Hải Dương 
) , around the world, is a very rare last name. The family name Hải Dương is characteristic of South-eastern Asia, particularly Vietnam, where it is a very rare surname. Likewise, Hải Dương is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hải Dương | Vietnam, Japan |