All around the world, Armbruster-Castillo (Armbruster-Castillo 
) is an extremely rare unknown gender first name. Much more prevalently, Armbruster-Castillo is the last name as well as the forename. Parts of the name also exists independently as a last name Armbruster, and a last name Castillo.
| VARIANT | COUNTRY |
|---|---|
| Armbruster-Castillo | United States |