Lighting device for vehicles comprising - a container body and a lenticular body which at least partially define a housing chamber hosting at least one light source, electrically connected to electrical connection means to power the same, - wherein said lighting device comprises at least one light guide having a light guide body suitable for receiving the beam of light from the light source so as to collect and propagate within itself, for subsequent reflection, the light emitted by the light source, - wherein the light guide body extends from a first to a second end (48, 52), wherein the light guide is fitted with a plurality of light extraction elements applied to the light guide body, suitable for extracting the light propagated inside the light guide body outwards of the light guide and of the lenticular body, - wherein the light source is suitable for emitting a beam of light to propagate through said light guide, characterised in that - the light guide body comprises at least two branches (60,64) directed along a first and a second main extension direction (S', S'') forming an angle with each other (α) of 70 to 110 degrees and connected by a relative angular portion, - at least one light source is positioned at at least one of said first and second ends (48,52) provided with a light input wall suitable for receiving the beam of light produced by said light source, - the light input wall is shaped in such a way as to present at least one dividing element of the beam of light incident to the light input wall, wherein the light source comprises an emission head in such a way that the beam of light produced by it converges on said dividing element, - wherein said dividing element receives the beam of light and divides it into at least two lobes so as to create a shadow portion, directly facing the light source and directed towards the angular portion. - a container body and a lenticular body which at least partially define a housing chamber hosting at least one light source, electrically connected to electrical connection means to power the same, - wherein said lighting device comprises at least one light guide having a light guide body suitable for receiving the beam of light from the light source so as to collect and propagate within itself, for subsequent reflection, the light emitted by the light source, - wherein the light guide body extends from a first to a second end (48, 52), - wherein the light source is suitable for emitting a beam of light to propagate through said light guide, characterised in that - the light guide body comprises at least two branches (60,64) directed along a first and a second main extension direction (S', S'') forming an angle with each other (α) of 70 to 110 degrees and connected by a relative angular portion, - at least one light source is positioned at at least one of said first and second ends (48,52) provided with a light input wall suitable for receiving the beam of light produced by said light source, - the light input wall is shaped in such a way as to present at least one dividing element of the beam of light incident to the light input wall, wherein the light source comprises an emission head in such a way that the beam of light produced by it converges on said dividing element, - wherein said dividing element receives the beam of light and divides it into at least two lobes so as to create a shadow portion, directly facing the light source and directed towards the angular portion.