Dame Anne Louise McIlroy DBE FRCOG (11 November 1874 – 8 February 1968), known as Louise McIlroy, was a distinguished and honoured Irish-born British physician, specialising in obstetrics and gynaecology. She was both the first woman to be awarded a Doctor of Medicine (MD) degree and to register as a research student at the University of Glasgow. She was also the first woman medical professor in the United Kingdom.