A developing cartridge is attachable to and detachable from an image forming apparatus and is received by a developing cartridge receiving member. The developing cartridge includes: a developer carrier including a rotational shaft; a case that rotatably supports the developer carrier, the case being capable of being supported by the developing cartridge receiving member; and a conductive member electrically connected to the rotational shaft of the developer carrier, at least a part of the conductive member is positioned at an opposite side of the case to the developing cartridge receiving member in a substantially vertical direction.