Lighting apparatus comprising at least a support body and at least a lighting device (3a, 3b) associated with said support body, comprising a plurality of said lighting devices (3a, 3b) of which: - at least a first lighting device comprising at least a first emitting element able to emit light radiation and at least a first lighting appliance associated with said first emitting element and having a first inner surface substantially polygonal able to diffuse said light radiation; and - at least a second lighting device comprising at least a second emitting element able to emit light radiation and at least a second lighting appliance associated with said second emitting element and having a second inner surface substantially smooth able to direct said light radiation, and comprising: - an attachment device of said support body to a bearing structure and comprising a base stably associable with said bearing structure; and articulation means (23, 24, 25) interposed between said base and said support body and able to rotate said support body with respect to said bearing structure; characterized by the fact that said articulation means (23, 24, 25) comprise: - a first cylindrical surface formed on said base; - an intermediate element having a second cylindrical surface substantially complementary to said first cylindrical surface and sliding at least in part on it; and - a hinging assembly interposed between said support body and said intermediate element; and by the fact that said attachment device comprises: - a "C"-shaped fixing element having a prismatic housing seat and able to embrace at least in part said intermediate element and said base; and - a fixing screw (27, 28, 29, 30) having a prismatic head insertable into said prismatic housing seat and associable with said bearing structure. - at least a first lighting device comprising at least a first emitting element able to emit light radiation and at least a first lighting appliance associated with said first emitting element and having a first inner surface substantially polygonal able to diffuse said light radiation; and - at least a second lighting device comprising at least a second emitting element able to emit light radiation and at least a second lighting appliance associated with said second emitting element and having a second inner surface substantially smooth able to direct said light radiation, and comprising: - an attachment device of said support body to a bearing structure and comprising a base stably associable with said bearing structure; and articulation means (23, 24, 25) interposed between said base and said support body and able to rotate said support body with respect to said bearing structure; - an attachment device of said support body to a bearing structure and comprising a base stably associable with said bearing structure; and articulation means (23, 24, 25) interposed between said base and said support body and able to rotate said support body with respect to said bearing structure; - a first cylindrical surface formed on said base; - an intermediate element having a second cylindrical surface substantially complementary to said first cylindrical surface and sliding at least in part on it; and - a hinging assembly interposed between said support body and said intermediate element; - a "C"-shaped fixing element having a prismatic housing seat and able to embrace at least in part said intermediate element and said base; and - a fixing screw (27, 28, 29, 30) having a prismatic head insertable into said prismatic housing seat and associable with said bearing structure.