Mrs Penny (22 March 1977 – 1997) was an American-bred, British-trained Thoroughbred racehorse and broodmare. She won six of her twenty-two races and was rated the best British filly of her generation at both two and three years of age. In 1980 she won three of her six races including the Cherry Hinton Stakes, Lowther Stakes and Cheveley Park Stakes. In the following year she recorded her biggest wins in France where she won the Prix de Diane and the Prix Vermeille, but produced arguably her best performance in defeat when finishing second in the King George VI and Queen Elizabeth Stakes. In 1981 she was sent to race in the United States where she won the Queen Charlotte Handicap, but failed to reproduce her European form. She was then retired to stud, where she had some success as a broodm