Donn Barber was an American architect.

He designed buildings that are listed on the U.S. National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

, including:

• Terminal Station
  Terminal Station (Chattanooga)
  Terminal Station in Chattanooga, Tennessee is a former railroad station, once owned and operated by the Southern Railway, listed on the National Register of Historic Places. The station was opened in 1909 and was the latest and largest station in Chattanooga's history...
  
  , built 1908, 1434 Market St., Chattanooga, TN (Barber,Don) NRHP-listed
• Connecticut State Library and Supreme Court Building, built 1908-1910, 231 Capitol Ave., Hartford, CT (Barber,Donn and E.T. Hapgood) NRHP-listed
• Capital City Club
  Capital City Club
  The Capital City Club is a private social club located in Atlanta, Georgia. Chartered on May 21, 1883, it is one of the oldest private clubs in the South.-History:...
  
  , 7 Harris St., NW, Atlanta, GA (Barber,Don) NRHP-listed

He was born in 1871 and studied at Yale, then post-graduate courses at Columbia, "then at the Beaux Arts, Paris

École des Beaux-Arts

École des Beaux-Arts refers to a number of influential art schools in France. The most famous is the École nationale supérieure des Beaux-Arts, now located on the left bank in Paris, across the Seine from the Louvre, in the 6th arrondissement. The school has a history spanning more than 350 years,...

, where he was the ninth U. S. student to receive a diploma. After an apprenticeship in the offices of Carrere & Hastings, Cass Gilbert and Lord & Hewlett, he set up his own firm. His career since then is written in such buildings as: Connecticut State Library, Hartford Aetna National Bank, Aetna Life Insurance, in Hartford; the Department of Justice Building in Washington; and in Manhattan: the New York Cotton Exchange

New York Cotton Exchange

The New York Cotton Exchange was a commodities exchange founded in 1870 by a group of one hundred cotton brokers and merchants at 1 Hanover Square in New York City.- History :...

, National Park Bank

National Park Bank

The National Park Bank was founded in 1856 in New York City, and by the late 19th century, it did more commercial business than any other bank in the country. In 1911, it acquired the Wells Fargo Company...

, the Mutual Bank, the Lotus Club, the Institute of Musical Art.