Margaret de Beauchamp was an English noblewoman born around 1400. She was the daughter of John de Beauchamp, a prominent landowner, and Margaret Wrottesley. Margaret married Sir John Talbot, a notable military leader, and they had several children, including John Talbot, 1st Earl of Shrewsbury. Margaret played a significant role in the Wars of the Roses, a series of civil wars for control of the English throne. After her husband's death, she managed their estates and supported her family's interests, demonstrating her influence in the turbulent political landscape of 15th-century England.