Throughout the world, Christian Joan (Christian Joan 
) is a very rare predominantly boy's, but very seldom feminine given name. The first name Christian Joan is habitual in the Dominican Republic, where it is a rare boy's name, Peru, where it is a very rare primarily boy's, but scarcely female name, and Philippines, where it is a very rare dominantly male, but uncommonly girly name. Much less frequently, Christian Joan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Christian Joan | Philippines, Dominican Republic, Peru, Ecuador, Colombia |
Galera, Jabian, Milanes, Dela Cuesta, Tarazona Nuñez, Vargas Carvajal, and Guerrero Garzon