Abstract: A truck bed extender is described for use with a pickup truck having a bed with a bed floor, opposed side walls along each side of the bed floor and a tailgate hinged at the rear of the bed floor. The bed extender includes mounting brackets attached to either the bed side walls or bed floor adjacent the tailgate. First and second tubular base sections are pivotally attached at their proximal ends to the brackets. First and second tubular telescoping sections are attached to the base sections. The telescoping sections have transverse arms with horizontal openings at their distal ends. A support bar extends through the openings in the arms. The bed extender is easily installed and uninstalled, and fits truck beds of different widths.