A teleconference support system, establishing a teleconference among conference rooms, includes teleconference apparatuses, and a connection server including a conference venue information storage, a conference start judgment unit, and a teleconference apparatus connection unit. Each teleconference apparatus, disposed in each conference room, is provided with an image taking unit, a sound taking unit, a display unit, and an audio output unit. The connection server connects the teleconference apparatuses to transmit and receive information among the conference rooms. Each teleconference apparatus includes a person identification information acquisition unit to obtain person identification information identifying individual. The conference venue information storage stores conference information including person identification information of expected teleconference participant. The conference start judgment unit determines whether each teleconference satisfies a conference start condition using the person identification information. The teleconference apparatus connection unit connects teleconference apparatuses when the teleconference is determined to satisfy the conference start condition.