De Grey is a surname that can refer to various individuals and families, often associated with nobility in England. One notable figure is Sir William de Grey, a prominent lawyer and politician in the 18th century. The name is also linked to the De Grey family, which has historical ties to the British aristocracy. In addition to its historical significance, "De Grey" can refer to geographical locations, such as De Grey River in Australia. This river is known for its natural beauty and is part of the region's diverse ecosystem, attracting visitors and nature enthusiasts.