Pehr Evind Svinhufvud's first senate
Pehr Evind Svinhufvud's first senate was the first Senate and de facto Government of independent Finland. Its term spanned November 27, 1917 – May 27, 1918.
It sat in Vaasa during the Finnish Civil War from January 29 to May 3, 1918 and was known as the Vaasa Senate during that time.
Assembly
The following table displays the Senate's composition:| Senator | Period of office | Party |
| Chairman of the Senate Pehr Evind Svinhufvud | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Head of the Department for Justice Onni Talas | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Head of the Department for Internal Affairs Arthur Castrén | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Deputy Head of the Department for Internal Affairs Alexander Frey | November 27, 1917 – May 27, 1918 | Swedish People's Party |
| Head of the Financial Affairs Department Juhani Arajärvi | November 27, 1917 – May 27, 1918 | Finnish Party |
| Head of the Department for Education and Ecclesiastical Affairs Emil Nestor Setälä | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Head of the Department for Agriculture Kyösti Kallio | November 27, 1917 – May 27, 1918 | Agrarian League |
| Deputy Head of the Department for Agriculture Eero Yrjö Pehkonen | November 27, 1917 – May 27, 1918 | Agrarian League |
| Head of the Department for Transport and Public Works Jalmar Castrén | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Head of the Department for Trade and Industry Heikki Gabriel Renvall | November 27, 1917 – May 27, 1918 | Young Finnish Party |
| Head of the Department for Social Affairs Oskari Wilho Louhivuori | November 27, 1917 – May 27, 1918 | Finnish Party |