Some demonstrative embodiments include apparatuses, systems and/or methods of Peer to Peer communication. For example, a device may include a controller to generate a Peer to Peer discovery frame including at least one Multicast attribute, the Multicast Attribute including an address field and one or more attribute fields, the address field to indicate a plurality of devices; and a radio to transmit the Peer to Peer discovery frame, and to transmit multicast traffic to the plurality of devices according to the one or more attribute fields.