Reflector for electric lamps. The reflector comprises a part of aluminum plate of the shape of a truncate ball segment, and in connection with it a part of the shape of a paraboloid, and which is provided with one or several elastic fixing means for fixing the reflector detachably to the lamp-globe. One or several naillike projections are pressed into the reflector, through which one end of a spring serving as fixing means is brought, while the other end protrudes from the inside surface of the reflector, so as to press against the lamp-globe.