The Director of National Service was a post that existed briefly in the British government. Although a political appointment, the initial holder was Neville Chamberlain who was not a Member of Parliament at the time. Chamberlain resigned in August 1917 when the War Cabinet decided to change the organisation of recruiting from the control of the War Office to the Directorate of National Service, a change which he disapproved.

Directors of National Service 1916-1919

• Neville Chamberlain
  Neville Chamberlain
  Arthur Neville Chamberlain FRS was a British Conservative politician who served as Prime Minister of the United Kingdom from May 1937 to May 1940. Chamberlain is best known for his appeasement foreign policy, and in particular for his signing of the Munich Agreement in 1938, conceding the...
  
   (19 December 1916 - 8 August 1917) (resigned)
• Sir Auckland Geddes (17 August 1917 - 19 December 1919)