A wheelchair dolly is provided. The wheelchair dolly includes two spaced apart frame elements, each movable in concert between a folded position and an extended position for supporting two or more wheelchairs for transportation. Each frame element may serially provide a front, middle and rear sections, wherein the front and middle sections are pivotal about a distal end of the rear section for moving between the extended and folded positions. The rear sections may each provide a rear wheel and a handle portion interconnected by a brake system for selectively braking the rear wheels. Bracing and crossbars may secure the frame elements in their spaced apart arrangement.