Justin P. Cobb is a British professor of orthopaedic surgery at Imperial College London, known for introducing medical robotics into orthopaedic surgery. He is a member of the Royal Medical Household and is royal orthopaedic surgeon to the Queen. He is on the staff at King Edward VII's Hospital (KEVII) and is civilian advisor in orthopaedics to the Royal Air Force (RAF). His research has also included themes relating to designing new devices such as for ceramic hip resurfacing, 3D printing in orthopaedics, and training in surgical skills. He is a director of the MSk laboratory based in the Sir Michael Uren Hub.