| Birth Date: | 29 March 1926 |
| Birth Place: | London |
| Death Place: | Graffham, West Sussex |
| Education: | Somerville College, Oxford |
| Known For: | First woman to study medicine at St Thomas' Hospital, London |
| Family: | Gwen Mullins, mother |
Ann Dally (29 March 1926, in London – 24 March 2007, in Graffham, West Sussex[1]) was an English author and psychiatrist.
Born Ann Gwendolen Mullins, she was the eldest child of the lawyer Claud William Mullins (1887–1968) and his wife, the weaver and patrons of the arts Elizabeth Gwendolen Brandt (1904–1997).[2] Dally studied at Somerville College, Oxford. She married Dr. Peter Dally in 1950. Dally was the first woman to study medicine at St Thomas' Hospital, London in 1953 and became a Harley Street psychiatrist.
She undertook controversial treatment of heroin addicts and was put on trial by the General Medical Council and the National Health Service. She wrote about her experience in A Doctor's Story (1990).