A ski brake has two pivotable prongs, one on each side of the ski and having coaxial pivot shafts which are mounted on the ski to extend across the ski adjacent the upper ski surface and are each integral with an actuating arm depressible by a ski boot against spring action whereby to turn the pivot shafts and swing the brake prongs to an inoperative position. The spring action is exerted by way of a link member hinged to the ski by one end at a fixed position spaced lengthwise of the ski from the coaxial pivot shafts and connected by the other end to both actuating arms so as to be displaceable therealong when the actuating arms are depressed.