The first cabinet of Alexandru Vaida-Voevod was the government of Romania from 1 December 1919 to 12 March 1920.

The ministers of the cabinet were as follows:^[1]

• President of the Council of Ministers:

• Alexandru Vaida-Voevod (1 December 1919 - 12 March 1920)

• Minister of the Interior:

• Gen. Alexandru Averescu (5 - 16 December 1919)
• (interim) Aurel Vlad (16 - 27 December 1919)
• Nicolae Lupu (27 December 1919 - 12 March 1920)

• Minister of Foreign Affairs:

• Alexandru Vaida-Voevod (1 December 1919 - 12 March 1920)

• Minister of Finance:

• Aurel Vlad (5 December 1919 - 23 February 1920)
• (interim) Mihai Popovici (23 February - 12 March 1920)

• Minister of Justice:

• Ion Pelivan (5 December 1919 - 12 March 1920)

• Minister of Religious Affairs and Public Instruction:

• Octavian Goga (5 -16 December 1919)
• Ion Borcea (16 December 1919 - 12 March 1920)

• Minister of War:

• Gen. Ioan Rășcanu (5 December 1919 - 2 March 1920)
• Gen. Traian Moșoiu (2 - 12 March 1920)

• Minister of Agriculture and Property:

• Victor Bontescu (5 -16 December 1919)
• Ion Mihalache (16 December 1919 - 12 March 1920)

• Minister of Industry and Commerce:

• (interim) Aurel Vlad (5 - 16 December 1919)
• Victor Bontescu (16 December 1919 - 2 March 1920)
• (interim) Ion Borcea (2 - 12 March 1920)

• Minister of Public Works:

• Mihai Popovici (5 December 1919 - 12 March 1920)

• Minister of State:

• Ion Cantacuzino (5 December 1919 - 12 March 1920)

• Ministers of State (for Bessarabia):

• Ion Inculeț (5 December 1919 - 12 March 1920)
• Pantelimon Halippa (5 December 1919 - 12 March 1920)

• Minister of State (for Bukovina):

• Ion Nistor (5 December 1919 - 12 March 1920)

• Minister of State (for Transylvania):

• Ștefan Cicio Pop (5 December 1919 - 12 March 1920)