Some demonstrative embodiments include apparatuses, systems and/or methods of multicast communication. For example, an apparatus may include circuitry configured to cause a wireless device to process transmission of a multicast transmission to a plurality of devices; and to process reception of at least one Multi-User (MU) acknowledgement transmission from two or more devices of the plurality of devices, the MU acknowledgement transmission to acknowledge receipt of the multicast transmission by the two or more devices.