Alan John Farthing, FRCOG, (born 8 June 1963 in Winchester, Hampshire) is an English obstetrician and gynaecologist and Surgeon-Gynaecologist to Queen Elizabeth II's Royal Household.
After training at St George's Hospital Medical School, London, Farthing qualified as a doctor in 1986. He became a member of the Royal College of Obstetricians and Gynaecologists in 1991, and a Fellow in 2003.
Farthing was appointed as a consultant gynaecologist at St Mary's Hospital in 1997, where he also became an honorary Senior Lecturer at Imperial College, London. He is a specialist in gynaecological cancer care, and an internationally recognised expert in the use of laparoscopic and hysteroscopic surgery.
Farthing has a private Harley Street practice, and works as a consultant at two teaching hospitals in London: Queen Charlotte's Hospital in Shepherd's Bush, and St Mary's Hospital in Paddington.
In 2008, Farthing was appointed to assist Marcus Setchell, who was retiring from the NHS, as the Queen's Surgeon-Gynaecologist.
Farthing was separated from his first wife when he met BBC TV presenter Jill Dando. After Farthing's divorce in late 1998, the couple became engaged in February 1999, and were due to marry in September 1999.