Loudspeaker, sound box and vehicle

The invention relates to a loudspeaker, a sound box and a vehicle. The loudspeaker comprises a magnetic circuit system, a vibration system and a luminous body, wherein the magnetic circuit system is used for generating a magnetic field; the vibration system comprises a voice coil and a vibrating diaphragm, the voice coil is connected with the vibrating diaphragm, and the voice coil is used for cooperating with a magnetic field to move along a first direction, so that the voice coil drives the vibrating diaphragm to vibrate and produce sound along the first direction; the luminous body is relatively fixed to the magnetic circuit system and located in the voice coil. The invention aims to provide the loudspeaker which can emit light and is small in occupied space and compact in structure.