Provided is a storage apparatus and a storage system having a plurality of storage boxes each having a plurality of deposit and retrieval ports for a delivery article, for example, on a front face side and a back face side, and capable of smooth work of deposit or retrieval of the delivery article in these storage boxes. A storage apparatus is composed of CPU or the like, and is configured to have a control section for controlling the whole storage apparatus, an information storage section for storing various pieces of information, a storage section for storing a delivery article addressed to a user, a display section for displaying various pieces of information, and an information input section provided with various keys, for enabling information input and for performing reading of information for authentication written in an information recording medium possessed by a user, and the like.