Throughout the world, 巳刚 (巳刚 
) is a rare epicene forename. The given name 巳刚 is characteristic of Eastern Asia, particularly China, where it is an extremely rare gender-neutral name. Very seldom, 巳刚 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| 巳刚 | China |