Alan de Tatton Egerton, 3rd Baron Egerton (19 March 1845 – 9 September 1920), known as the Honourable Alan Egerton from 1859 to 1907, was a British Conservative politician from the Egerton family. Egerton was a younger son of William Egerton, 1st Baron Egerton, and his wife Lady Charlotte Elizabeth Loftus. Wilbraham Egerton, 1st Earl Egerton, was his elder brother. He was elected to the House of Commons for Cheshire Mid in 1883, a seat he held until 1885, when the constituency was abolished, and then represented Knutsford from 1885 to 1906. In 1907 he succeeded his elder brother as third Baron Egerton.