Lady Agnes Keith was a notable Scottish noblewoman born around 1560. She was the daughter of William Keith, 4th Earl Marischal and Mary Erskine. Agnes became the wife of Robert Gordon of Straloch, a prominent figure in the Scottish Highlands, and they had several children together. Agnes is often remembered for her role in the Scottish Reformation and her connections to influential families of the time. Her life reflects the complexities of noble society in Scotland during the late 16th century, marked by political intrigue and shifting allegiances.