Susan Kyle, née Susan Eloise Spaeth (born December 11, 1946, in Cuthbert, Georgia, United States) is an American writer who was known as Diana Palmer and has published romantic novels since 1979. She has also written romances as Diana Blayne, Katy Currie, and under her married name Susan Kyle and a science fiction novel as Susan S. Kyle. Before writing fiction, she was a journalist for sixteen years under her birth name. Now, she has over 150 books in print, more of them translated and published around the world. Her novel Diamond Girl was made into a movie that was released in 1998 for television.