Jacqueline Breyer, better known as Lady Jaye (1 July 1969, NYC, New York, USA - 9 October 2007, Brooklyn, New York, USA) was a nurse, a keyboardist and singer.

Breyer married Genesis P-Orridge in 1995. She adopted the name Lady Jaye Breyer P-Orridge and Genesis P-Orridge became Genesis Breyer P-Orridge. They coined the term pandrogyny to reflect the process of mutating into a single being they called Breyer P-Orridge.

Lady Jaye died of stomach cancer in October 2007. Breyer P-Orridge is the subject of the 2011 film The Ballad of Genesis and Lady Jaye.