Douglas William Orr (March 25, 1892 – July 29, 1966) was an American architect based in New Haven, Connecticut.

[1] He was prolific and designed many public and commercial buildings, primarily in the New Haven area.

[1] The firm received many commissions, including the office and factory of the Connecticut Telephone and Electric Company, but business was interrupted when both partners served in the armed forces on entry of the United States into World War I;[1] Orr served in the army.

[citation needed] After receiving his undergraduate degree from Yale University, he opened his own architectural practice in 1919.

Holyoke and Hollins Colleges and memorial chapels at the Coast Guard and Merchant Marine Academies.