A multifunction LED (Light Emitting Diode) lighting device in the form of a luminaire suitable for being used for outdoor environments such as parking areas, parks/gardens, etc., for the lighting of street furniture elements or for indoor applications such as lighting of exhibition stands, public and/or private premises, hotel lobbies, offices and the like, said lighting device comprising - a driver compartment (12, 12B, 12C, 12D, 12E, 12F), and - at least one optical compartment or body whereby said at least one optical compartment or body comprises one or more modules inside whereof LED light sources are housed and apt to be attached with respect to said driver compartment (12, 12B, 12C, 12D, 12E, 12F) inside whereof electrical and electronic components are housed necessary for the functioning of the lighting device and suitable to be anchored with respect to a support, and each of the one or more modules being defined by a container body and comprising pairs of opposite pins or projecting appendages whereon attachment blocks are fitted to form a coupling with constraint between single adjacent modules or between the one module and the driver compartment, the lighting device being characterised in that said pairs of opposite pins or projecting appendages being disposed inside a pocket formed in the central region of each container body and longitudinally extended, and in that said driver compartment (12, 12B, 12C, 12D, 12E, 12F) has a shape and configuration as a function of the type of attachment whereto the lighting device is destined, is closed by means of a cover (32, 48, 54) and comprises: a hinged shank apt to couple with the upper end or top of a post; or a shank developing from its lower face and apt to be fitted on the top or upper end of a post; or a bracket hinged at its opposite side edges for wall attachment or floor/ground attachment; or a transverse bracket for allowing the attaching of the lighting device to a ceiling and laterally thereto two opposite optical compartments or bodies are attached; or a bracket having the function of hooking to a ceiling and below which is attached an optical compartment or body comprising one or more modules; or a bracket with eyelets apt to engage with hooks attached to an electrified bar to suspend the lighting device; or an element for securing to a ceiling and connected to the driver compartment by means of support cables. said lighting device comprising - a driver compartment (12, 12B, 12C, 12D, 12E, 12F), and - at least one optical compartment or body - a driver compartment (12, 12B, 12C, 12D, 12E, 12F), and - at least one optical compartment or body whereby said at least one optical compartment or body comprises one or more modules inside whereof LED light sources are housed and apt to be attached with respect to said driver compartment (12, 12B, 12C, 12D, 12E, 12F) inside whereof electrical and electronic components are housed necessary for the functioning of the lighting device and suitable to be anchored with respect to a support, and each of the one or more modules being defined by a container body and comprising pairs of opposite pins or projecting appendages whereon attachment blocks are fitted to form a coupling with constraint between single adjacent modules or between the one module and the driver compartment, the lighting device being characterised in that said pairs of opposite pins or projecting appendages being disposed inside a pocket formed in the central region of each container body and longitudinally extended, and in that said driver compartment (12, 12B, 12C, 12D, 12E, 12F) has a shape and configuration as a function of the type of attachment whereto the lighting device is destined, is closed by means of a cover (32, 48, 54) and comprises: a hinged shank apt to couple with the upper end or top of a post; or a shank developing from its lower face and apt to be fitted on the top or upper end of a post; or a bracket hinged at its opposite side edges for wall attachment or floor/ground attachment; or a transverse bracket for allowing the attaching of the lighting device to a ceiling and laterally thereto two opposite optical compartments or bodies are attached; or a bracket having the function of hooking to a ceiling and below which is attached an optical compartment or body comprising one or more modules; or a bracket with eyelets apt to engage with hooks attached to an electrified bar to suspend the lighting device; or an element for securing to a ceiling and connected to the driver compartment by means of support cables.