Systems and methods are disclosed for providing a meta-social graph. In accordance with one implementation, a computerized method comprises collecting a plurality of different online identities of a first online user, each of the different online identities corresponding to a unique social network system. The method also includes collecting a plurality of communication data associated with the first user and determining bi-directional connections of the first user with other users from the collected communication data. In addition, the method may also include creating a meta-social graph from the determined bi-directional connections and the plurality of different online identities and generating a global identifier for the first user. The method also includes storing, in at least one memory device, the meta-social graph with at least one of the generated global identifier, the determined bi-directional connections, and the collected communication data.