Birger Fredrik Motzfeldt OBE, CVO (22 February 1898 – 3 September 1987) was a Norwegian aviator and military officer.

During World War II he administered the development of the Royal Norwegian Air Force in exile in Great Britain.

[1][2] When the Germans invaded Norway in April 1940, Motzfeldt was in the United States in order to acquire more aircraft for the Norwegian Army Air Service.

He returned to London in 1941, and took part in the development of the Royal Norwegian Air Force in exile in Great Britain.

[1] He was appointed head of the Royal Norwegian Air Force from 1955 to 1960,[1] succeeding fellow World War II veteran Finn Lambrechts.