There is provided a roll paper storage cassette and a recording apparatus which do not need a roll paper storage cassette according to the size of roll papers, and prevent a roll paper, a roll-paper shaft, and a roll paper storage cassette from being erroneously loaded. A roll paper storage cassette for housing a roll paper wound around the core portion of a roll paper shaft includes a pair of openable and closable cases, an attachment which can be attached and detached to and from the inside of both ends of the case according to the size of the roll paper, and a regulation member configured to prevent the roll paper shaft of a specific type from entering and allow the roll paper shaft of another specific type to enter in a state where the attachment is detached and configured to be moved from a position where the roll paper shaft of the specific type is prevented from entering in a state where the attachment is attached.