<p>A hair clipper includes a hair clipper main body (1) having a cutter unit (2) for cutting hair at a leading end thereof; a hair suctioning section (B) for suctioning the hair cut by the cutter unit therethrough; a fan unit (27) incorporating a centrifugal fan (3) for generating a suction force in the hair suctioning section; and a diffuser unit (28) installed at downstream of the fan unit. A cross section of an air flow path of the diffuser unit gradually expands in a downstream direction.</p>
