Francis David Langhorne Astor, CH was an English newspaper publisher, editor of The Observer at the height of its circulation and influence, and member of the Astor family, "the landlords of New York".

The Astor family achieved prominence in business, society, and politics in the United States and the United Kingdom during the 19th and 20th centuries. With German roots, some of their ancestry goes back to the Italian and Swiss Alps, the Astors settled in Germany, first appearing in North America in the 18th century with John Jacob Astor, one of the wealthiest people in history.