Stephen Thomas Wegener (born November 20, 1952) is an American rehabilitation psychologist specializing in the psychology of pain management. His work seeks to improve function and reduce disability for persons with chronic illness and impairments, including occupational injuries, rheumatic disease, spinal cord injury or limb loss. He also develops cognitive-behavioral therapy and self-management to prevent or mitigate pain associated with disability, and examines psychological variables that can affect positive outcomes.