Knight's Baroness (16 April 1987 – after 2008) was a British Thoroughbred racehorse and broodmare. In a racing career which lasted from July 1989 until September 1990 she recorded two wins and four places from seven starts. She showed considerable promise as a two-year-old, winning one race and finishing second in the May Hill Stakes and improved when moved up to middle distances in the following year. She wa placed in both the Lingfield Oaks Trial and The Oaks before recording her biggest win in the Irish Oaks. After her retirement from racing she became a broodmare and produced several winners including the Cumberland Lodge Stakes winner Riyadian and the Totesport Trophy winner Essex. Her last recorded foal was born in 2006.