A supply information communication system, a communication module, a liquid supply facility, and a supply information communication method are provided. The communication module is mounted on a vehicle to which liquid is supplied from the liquid supply facility. An obtaining section of the liquid supply facility obtains identifying information for identifying the vehicle that is a supply destination of the liquid discharged by a supplying section. A transmitting section of the liquid supply facility transmits supply information to the vehicle identified by the identifying information. The supply information includes information indicating that the liquid has been supplied. The communication module includes a receiving section and a storing section. The receiving section receives the supply information addressed to the vehicle on which the communication module is mounted. The storing section stores the received supply information.