There is provided a drive device including: a hub around which a recording tape is wound; a pair of flanges that are provided at both axial direction sides of the hub so as to be able to rotate relative to the hub, and that restrict a position, in a transverse direction, of the recording tape; a connecting member that connects outer peripheral portions of the pair of flanges together at least at a portion other than a traveling path of the recording tape; and a casing having, at an interior, a space in which the hub and the pair of flanges are accommodated and in which the recording tape travels, a fixing portion, that is provided at at least one of the pair of flanges or at the connecting member, being fixed to the casing.