Waldorf can have the following meanings:
People
William Waldorf Astor, 1st Viscount Astor (1848–1919), financier and statesman
Waldorf Astor, 2nd Viscount Astor (1879–1952), businessman and politician
Pappy Waldorf (1902–1981), 1966 College Football Hall of Fame inductee as a coach
Communities
Germany
Waldorf, Rhineland-Palatinate
Waldorf, a district in the town of Bornheim (Rheinland), North Rhine-Westphalia
Walldorf, a town in Baden-Württemberg
United States
Waldorf, Maryland
Waldorf, Minnesota
Hotels and restaurants
Waldorf Hotel (disambiguation), hotels named Waldorf
Waldorf–Astoria (1893–1929), the original Waldorf Astoria in New York
Waldorf Astoria New York, in New York
Waldorf–Astoria (disambiguation), other Waldorf-Astorias
The Waldorf Hilton, London
Waldorf Astoria Hotels & Resorts, a luxury hotel brand
Waldorf System or Waldorf Lunch, a chain of lunch rooms (1903-1970s)
Education
Waldorf education, an educational philosophy
Waldorf College, Forest City, Iowa, United States
Entertainment and culture
Waldorf Music, manufacturer of music synthesizers in Germany
Waldorf (novel), by James Goldman
Waldorf salad, made with apples and nuts
Novello Theatre, theatre located in City of Westminster, England that was originally named the Waldorf Theatre
Fictional characters
Blair Waldorf, character in the popular novel series Gossip Girl, written by Cecily von Ziegesar Statler and Waldorf, a pair of Muppets