Pat O'Shea (22 January 1931 - 3 May 2007) was an Irish children's fiction writer. She was born in Galway and was the youngest of five children. Her first novel was the best-selling The Hounds of the Morrigan, which took 13 years to complete. It was finally published in 1985 by Oxford University Press, translated into five languages, and is still considered a classic of children's literature.