A labelling device for syringes for pharmaceutical products includes a carousel that holds and transports syringes, a syringe labelling station, a syringe handler, a camera for detecting the position of the marker scale of the syringes. The syringe labelling station includes an arm responsible for holding the label by a suction system and two articulated gates arranged such that when the syringe passes therethrough, the gates apply pressure over the body of the syringe in such a way that the label is affixed uniformly over the body.