Juho Kusti Paasikivi's first senate was the second Senate and de facto Government of independent Finland. Its time period was May 27, 1918 – November 27, 1918.[1]
Two members of the Finnish Party and the Swedish Party's Alexander Frey resigned from the Government in June 1918. The Agrarian League's two senators resigned in August 1918 because of Young Finnish Party's campaign of monarchy was very active. In November 1918, following the surrender of Germany and the end of World War I, the Parliament of Finland adopted the republican form of state and the Senate of Finland was abolished and substituted officially by the new Finnish Government.
The following table displays the Senate's composition:
| Vicechairman of the Senate Juho Kusti Paasikivi | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Foreign Affairs Otto Stenroth | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Justice Onni Talas | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Internal Affairs Arthur Castrén | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Deputy Head of the Department for Internal Affairs Alexander Frey | May 27, 1918 – June 29, 1918 | Swedish People's Party | |
| Head of the Department for Military Affairs Vilhelm Aleksander Thesleff | May 27, 1918 – November 27, 1918 | Public servant | |
| Head of the Financial Affairs Department Juhani Arajärvi | May 27, 1918 – November 27, 1918 | Finnish Party | |
| Head of the Department for Education and Ecclesiastical Affairs Emil Nestor Setälä | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Agriculture Kyösti Kallio | May 27, 1918 – August 17, 1918 | Agrarian League | |
| Deputy Head of the Department for Agriculture Eero Yrjö Pehkonen | May 27, 1918 – August 17, 1918 | Agrarian League | |
| Head of the Department for Transport and Public Works Jalmar Castrén | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Trade and Industry Heikki Gabriel Renvall | May 27, 1918 – November 27, 1918 | Young Finnish Party | |
| Head of the Department for Social Affairs Oskari Wilho Louhivuori | May 27, 1918 – June 29, 1918 | Finnish Party | |
| Head of the Food Supply Department | May 27, 1918 – November 27, 1918 | Finnish Party | |
| Member of the Senate without portfolio | May 27, 1918 – June 29, 1918 | Finnish Party |