An automobile headrest safe includes an exterior and a container positioned within the interior of the exterior housing. The container is removable from the exterior housing so that the container may be completely removed from the exterior housing and transported separately from the exterior housing. The container includes a body portion having an open end and a pivotal, reciprocating side door. The container may include a carrying handle. The pivotal side door is coupled to a lock. The headrest safe may be coupled to the automobile seat through a mounting system having a mounting plate coupled to the exterior housing and mounting posts extending from the mounting plate.