Lady Morgan (Sydney Owenson) (1780? - 1859) was an Irish novelist. The daughter of Robert Owenson, an actor, she was the author of several vivacious Irish tales, including The Wild Irish Girl (1806), O'Donnel (1814), and The O'Briens and the O'Flaherties (1827); also two books on society in France and in Italy characterised by "more vivacity and point than delicacy," and a Life of Salvator Rosa.