Thornburgh is a surname. Notable people with the surname include:
David Thornburgh (born 1958), American chief executive Dick Thornburgh (1932–2020), American politician, governor of Pennsylvania (1979–1987) and U.S. Attorney General (1988–1991) Elaine Thornburgh, American musician George Thornburgh (1847–1923), American politician Jacob Montgomery Thornburgh (1837–1890), American politician Ron Thornburgh (born 1962), American politician, Secretary of State of Kansas since 1994 Thomas Tipton Thornburgh (1843–1879), American military officer killed during the Battle of Milk Creek
See also Thornburgh v. American College of Obstetricians & Gynecologists, a 1986 United States Supreme Court case Thornburgh House, also called Thornburgh, Richmond Hill, Queensland, Australia, a historic house Thornburg College, original name of Blackheath and Thornburgh College, Richmond Hill, Queensland Thornburg (disambiguation), including a list of people with the surname