Dame Ann de Trafford Parker Bowles, DCVO (14 July 1918 — 1987) was a British aristocrat and Girl Guides leader.
Her eldest son is Andrew Parker Bowles,The former husband of Camilla, Duchess of Cornwall,who was enmeshed in the scandals surrounding the divorce of Diana, Princess of Wales and Prince Charles, Prince of Wales.
Her father was multimillionaire racehorse owner Sir Humphrey de Trafford, 4th Bt. and her mother was Lady Cynthia Hilda Evelyn Cadogan. The de Traffords are descended from the recusancy, a relatively small number of old English families who remained Roman Catholic during and after the Reformation.she is also grandmother of model Emma Parker Bowles.
On 14 February 1939, she married Derek Henry Parker Bowles, son of Eustace Parker Bowles (born Eustace Parker) and Wilma Mary Garnault Bowles, only daughter of Sir Henry Ferryman Bowles, 1st Baronet. They had four children:
Ann de Trafford was a Commissioner of the Commonwealth Girl Guides Association. For these and other services to the Commonwealth she was invested as a Dame Commander of the Royal Victorian Order (DCVO) in 1977.