University Hospital of Wales, also known as the Heath Hospital, is a major 1,000-bed hospital in the Heath district of Cardiff, Wales. UHW is a teaching hospital of Cardiff University School of Medicine. Construction started in 1963, with the official opening in 1971. It was Europe's first fully integrated hospital and medical school, at a cost of £22 million.

The hospital is the third largest University Hospital in the UK and the largest hospital in Wales. The hospital was previously managed by Cardiff & Vale NHS Trust. In 2009 the Trust was dissolved and the hospital is now managed by Cardiff and Vale University Health Board. The modular building currently houses a multi-disciplinary model of care, staff including physiotherapists, occupational therapists, dieticians, pharmacists, healthcare support workers, and registered nurses are all working in the three-story facility. Lakeside Wing accommodates up to 400 beds. The hospital has special departments for transplants, accidents, and emergencies.