Sir William Hutt Curzon Wyllie KCIE CVO (5 October 1848 – 1 July 1909) was a British Indian army officer, and later an official of the British Indian Government. Over a career spanning three decades, Curzon Wyllie rose to be a Lieutenant Colonel in the British Indian Army and occupied a number of administrative and diplomatic posts. He was the British resident to Nepal and the Princely state of Rajputana, and later, the political aide-de-camp to the Secretary of State for India, Lord George Hamilton. Curzon Wyllie was assassinated on 1 July 1909 in London by the Indian revolutionary Madan Lal Dhingra, who was a member of India House in London.