A sheet cassette includes a housing, multiple cassettes stacked and provided in the housing, and a rotary cam. The cassettes store a recording sheet. The rotary cam includes multiple pins provided at opposite positions across the axis of rotation of the rotary cam. Adjacent cassettes are offset relative to each other in an offset direction. First receiving parts for receiving the pins are provided one in each of the adjacent cassettes at a first end thereof in the offset direction. The rotary cam rotates with at least one of the pins being in at least one of the first receiving parts of the adjacent cassettes to move the cassettes as connected.