Methods, systems, and computer readable media for optimization of bearer resources for IMS roaming are disclosed. According to one aspect a system for optimization of bearer resources for IMS roaming includes a home media resource function controller module (HMRFC) for managing local media resources and for selecting a visited media resource function controller module (VMRFC) to provide media resources to a home subscriber that is roaming in the visited network (“visiting subscriber”), and a VMRFC for managing media resources within the visited network and for providing media resources to the visiting subscriber in response to a request to provide media resources to the visiting subscriber.