Aimo Cajander's third cabinet was the 22nd government of Republic of Finland. Cabinet's time period was from March 12, 1937 to December 1, 1939. It was Majority government.
| Prime Minister Aimo Cajander | March 12, 1937 – December 1, 1939 | National Progressive Party |
| Minister for Foreign Affairs Rudolf Holsti Väinö Voionmaa(deputy) Eljas Erkko | March 12, 1937 – November 16, 1938 November 16, 1938 – December 1, 1938 December 12, 1938 – December 1, 1939 | National Progressive Party Social Democrat National Progressive Party |
| Minister of Justice Arvi Ahmavaara Albin Ewald Rautavaara Johan Otto Söderhjelm | March 18, 1937 – January 11, 1938 January 11, 1938 – October 13, 1939 October 13, 1939 – December 1, 1939 | Independent Independent Swedish People's Party |
| Minister of Defence Juho Niukkanen | March 12, 1937 – March 12, 1937 | Agrarian League |
| Minister of the Interior Urho Kekkonen | March 12, 1936 – March 12, 1937 | Agrarian League |
| Minister of Finance Väinö Tanner | March 12, 1937 – December 1, 1939 | Social Democrat |
| Minister of Education Uuno Hannula | March 12, 1937 – December 1, 1939 | Agrarian League |
| Minister of Agriculture Pekka Heikkinen | March 12, 1937 – December 1, 1939 | Agrarian League |
| Deputy Minister of Agriculture Juho Koivisto | March 12, 1937 – December 1, 1939 | Agrarian League |
| Minister of Transport and Public Works Hannes Ryömä Väinö Salovaara | March 12, 1937 – September 2, 1938 September 2, 1938 – December 1, 1939 | Social Democrat Social Democrat |
| Deputy Minister of Transport and Public Works Väinö Salovaara Pietari Salmenoja | March 12, 1937 – September 2, 1938 September 2, 1938 – December 1, 1939 | Social Democrat Social Democrat |
| Minister of Trade and Industry Väinö Voionmaa | March 12, 1937 – December 1, 1939 | Social Democrat |
| Minister of Social Affairs Jaakko Keto Karl-August Fagerholm | March 12, 1937 – November 9, 1937 November 9, 1937 – December 1, 1939 | Social Democrat Social Democrat |
| Deputy Minister of Social Affairs Oskari Reinikainen | March 12, 1937 – December 1, 1939 | Social Democrat |
| People's Service Minister Rainer von Fieandt | September 20, 1939 – December 1, 1939 | Independent |
| Minister without Portfolio Ernst von Born | October 13, 1939 – December 1, 1939 | Swedish People's Party |