Across the world, Kim Cương (Kim Cương 
, 金剛 
) is a very rare epicene given name. The first name Kim Cương is habitual in Vietnam, where it is a very rare unisex name, and China, where it is an extremely rare male name. Likewise, Kim Cương is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Kim Cương | Japan, Vietnam |
| 金剛 | China |