Tredgold is a surname, and may refer to:
A. F. Tredgold (1870–1952), British mental health expert and author John Harfield Tredgold (1798–1842), English chemist Nye Tredgold, pseudonym of Nigel Tranter Robert Clarkson Tredgold (1899–1977), British barrister and judge Roger Tredgold (1911–1975), British Olympic fencer Thomas Tredgold (1788–1829), English engineer and author