Alex Greaves is a British former professional flat jockey. In 1996 she was the first woman to ride in the Epsom Dash in Epsom Derby's 216-year history on filly Portuguese Lil. She was the first woman to ride in the 1000 Guineas Stakes also on Portuguese Lil and in 1997 became the first woman to ride a Group 1 winner at the Nunthorpe Stakes on Ya Malak. She won the Female Jockey of the Year five times.