The present invention relates to a system for the angular orientation and detection of containers being processed in labelling machines. More particularly, the present invention relates to a system (1, 101) for the detection and angular orientation of containers (6) in labelling machines comprising a rotating turntable (4) for the handling of said containers (6), said turntable (4) being providedwith a plurality of motor-driven pans (5, 105) which support and handle said containers (6), characterized in that it comprises four image acquisition optical means (2, 102), said four optical means (2, 102) being controlled so as to acquire a set of four images which replicate the container (6) image throughout perimeter thereof.