The 2027 World Congress on Osteoarthritis is OARSI's premier international scientific meeting dedicated to osteoarthritis research, prevention, diagnosis, and treatment. The congress brings together rheumatologists, orthopaedic surgeons, rehabilitation specialists, scientists, physiotherapists, researchers, and healthcare professionals from around the world. The scientific programme covers the latest advances in osteoarthritis, including disease mechanisms, cartilage biology, pain management, imaging, biomarkers, regenerative medicine, clinical trials, pharmacological and non-pharmacological therapies, joint preservation, rehabilitation, and innovations in patient care. The meeting features keynote lectures, symposia, oral and poster presentations, industry exhibitions, networking events, and educational sessions designed to promote collaboration and improve outcomes for patients with osteoarthritis.