William de Grey, 2nd Baron Walsingham (1761-1845), was a British politician and member of the House of Lords. He inherited the title of Baron Walsingham from his father, William de Grey, 1st Baron Walsingham, in 1781. Throughout his life, he was involved in various political activities and held a significant position in the British aristocracy. In addition to his political career, de Grey was known for his contributions to the arts and sciences. He was a patron of several artists and supported various cultural initiatives. His legacy includes a commitment to public service and the promotion of intellectual pursuits during his lifetime.