Lehto cabinet
Reino Lehto's cabinet was the 48th government of Republic of Finland. The cabinet existed from December 18, 1963 to September 12, 1964. It is the longest caretaker government in Finnish history.
| Minister | Period of office | Party |
| Prime Minister Reino Lehto Aarne Nuorvala, deputy Reino Oittinen, deputy | December 18, 1963 – September 12, 1964 December 18, 1963 – June 8, 1964 June 12, 1964 – September 12, 1964 | Independent Independent Independent |
| Minister at Council of State Aarne Nuorvala | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Foreign Affairs Jaakko Hallama | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Justice | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Defence Kaarlo Leinonen | December 18, 1963 – September 12, 1964 | Independent |
| Minister of the Interior | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Finance | December 18, 1963 – September 12, 1964 | Independent |
| Deputy Minister of Finance | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Education Reino Oittinen | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Agriculture | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Transport and Public Works | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Trade and Industry Olavi J. Mattila | December 18, 1963 – September 12, 1964 | Independent |
| Deputy Minister of Trade and Industry | December 18, 1963 – September 12, 1964 | Independent |
| Minister of Social Affairs | December 18, 1963 – September 12, 1964 | Independent |
| Deputy Minister of Social Affairs Magnus Kull | December 18, 1963 – September 12, 1964 | Independent |