Sir Graeme Robertson Dawson Catto FRSE, Hon FRCSE, FRCP(Lon, Edin & Glasg), FRCGP, FFPM, , FMedSci FKC (born 24 April 1945) is a Scottish doctor who was president, later chair, of the General Medical Council until April 2009. He is also currently Emeritus Professor of Medicine at the Universities of London and Aberdeen and was an honorary consultant nephrologist at Guy's and St Thomas' NHS Foundation Trust and Aberdeen Royal Infirmary.