A disk transferring device transferring disks delivered one by one from an disk reception opening to an disk ejection opening includes: a disk guide path having left and right guide surfaces that guide a peripheral surface of each of the disks and front and back guide surfaces that guide an front surface and a back surface of the disk, the disk guide path extending from the disk reception opening toward the disk ejection opening; and a plurality of disk pushers protruding into the disk guide path and pushing the disks by making a rotational movement about a plurality of rotational axis lines approximately at a right angle with respect to the front and back guide surfaces.