Abstract: Locking device with magnetic actuation which is reversible so as to be suitable both for right-hand doors and for left-hand doors, comprising a frontal plate (1) for the fixing on the impost wing of the door, a strike (21) for the fixing on the jamb of the door in a position which can be opposed to said frontal plate, a magnet housed inside said strike, a bolt, a second magnet (4) housed inside said bolt (3) and a driving mechanism made up of two pawls (13), (16), one (13) of which controlled by outside handle and the other (16) by inside handle, a slide (19) for the driving of the bolt (3) and a system for blocking the opening by outside handle, leaving, at the same time, opening by inside handle operational.