The present disclosure provides a method, an apparatus and a system for calibrating a panoramic surround view system. The method includes: when receiving a calibrating start-up operation, generating a projection instruction, and sending the projection instruction to a projection device control module; receiving a plurality of target photographs acquired by a plurality of surround view cameras, the plurality of target photographs including a preset pattern projected by a projection device of a vehicle on the ground around the vehicle; and generating target calibrating data of the surround view cameras according to the plurality of target photographs. In the present disclosure, the projection device of the vehicle can be controlled to project the preset pattern on the ground around the vehicle, and the target calibrating data of the surround view cameras is generated according to the plurality of target photographs containing the preset pattern.