A conveying device to convey a conveyed object includes a supporter, a blower, a negative pressure generator, and a divider. The supporter has a front surface to support the conveyed object. The supporter has an air-permeable structure. The blower blows air toward the front surface of the supporter. The negative pressure generator creates a negative pressure state in a space at a back surface side of the supporter. The negative pressure generator includes a suction unit to suck air in the space through a plurality of suction ports. The suction ports are disposed away from and opposed to a back surface of the supporter. The divider is disposed away from the back surface of the supporter between the suction ports and the back surface of the supporter in the space. The divider has a plurality of ventilation holes smaller in opening area than each of the suction ports.