A guard for a folding knife which guard protects the fingers of the user when the blade is open. The guards may be lifted by the movement of the blade by a link, spring, lifting pin, gears, underside of the blade or hooked by thumb stud or back of blade or by a flipping motion due to the contour of the handles. The guards may be of various shapes and may be recessed in an out-of-the-way position when the blade is closed. The guards may extend at opposite sides of the blade and opposite sides of the handle. The guards are adaptable to a wide variety of folding knife styles.