Disclosed is a headrest having a speaker, the headrest including: a headrest frame having a rear surface to which a driving module is coupled so that the headrest frame is movable forwards, rearwards, or vertically in response to operation of the driving module, the headrest frame having a front surface formed with a mounting space recessed rearwards; a speaker, inserted into the mounting space in the headrest frame, provided with an output portion facing forwards and outputting sound, the speaker having a rear side closed by the headrest frame; a foam pad, mounted on the front surface of the headrest frame so as to cover the headrest frame and the speaker, having formed therein a first through hole outputting sound forwards at a position corresponding to the output portion; and a covering configured to cover the front surface of the foam pad and forming the front exterior of the headrest.