# List of Finnish MPs imprisoned for political reasons

This is a list of Finnish Members of Parliament who were imprisoned for political reasons.

## Grand Duchy of Finland
### Imprisoned

Current and former MPs :
| MP | Party | MP period | Crime and punishment |
| Matti Airola | Social Democratic Party | 1908–1918 | Imprisoned for lèse-majesté 1912 |
| Alex Halonen | Social Democratic Party | 1910–1911 | Imprisoned for lèse-majesté 1912–1913 |
| Frans Koskinen | Social Democratic Party | 1907–1911 | Imprisoned for lèse-majesté |
| Vihtori Huhta | Social Democratic Party | 1914–1917; 1941-1945 | Imprisoned and deported to Siberia 1914 |
| Jalmari Kirjarinta | Social Democratic Party | 1908-1910 | Imprisoned for lèse-majesté 1911 |
| Kullervo Manner | Social Democratic Party | 1910–1918 | Imprisoned for lèse-majesté 1911 |
| Santeri Nuorteva | Social Democratic Party | 1907–1908; 1909–1911 | Imprisoned for lèse-majesté 1909 |
| J. H. Saaristo | Social Democratic Party | 1908–1910 | Exiled to Siberia 1915–1917 |
| Arthur Sivenius | Social Democratic Party | 1907–1909; 1910–1911 | Imprisoned for lèse-majesté 1910–1911 |
| P. E. Svinhufvud | Young Finnish Party | 1907–1917; 1930–1931 | Exiled to Siberia 1914–1917 |
| Taavi Tainio | Social Democratic Party | 1907–1909; 1911–1914 1922–1929 | Imprisoned for mocking the sacrament 1909; Imprisoned for lèse-majesté 1913–1914 |
Future MPs :
| MP | Party | MP period | Crime and punishment |
| Pekka Ahmavaara | Young Finnish Party | 1907–1917; 1917–1919 | Exiled to Sweden 1903–1905 |
| Otto Åkesson | Swedish People's Party | 1917–1919; 1922–1924 | Imprisoned for opposing equal rights for Russians 1913–1914 |
| Viktor Magnus von Born | Swedish People's Party | 1910–1914 | Exiled 1903–1904 |
| Jonas Castrén | Young Finnish Party | 1907–1917 | Exiled to Sweden 1903–1905 |
| Eero Erkko | Young Finnish Party | 1907–1919 | Exiled to the USA 1903–1905 |
| Ernst Estlander | Swedish People's Party | 1907–1914; 1917–1945 | Exiled to Novgorod 1904 |
| Erland Haapaniemi | Agrarian League | 1948–1954 | Exiled to Siberia 1916–1917 |
| Theodor Homén | Young Finnish Party | 1908–1914; 1919–1922 | Exiled to Novgorod 1904–1905 |
| Väinö Hupli | Social Democratic Party | 1919–1922 | Imprisoned for lèse-majesté 1910 |
| Akseli Kanerva | Social Democratic Party | 1931–1933; 1933-1936 | Imprisoned for lèse-majesté 1914 |
| Artturi Leinonen | Agrarian League | 1936–1939; 1944–1945 | Imprisoned for recruiting for the Jäger Movement 1916-1917 |
| Lauri Letonmäki | Social Democratic Party | 1914–1917 | Imprisoned for lèse-majesté 1912 |
| Ludvig Lindström | Social Democratic Party | 1914–1917 | Imprisoned for lèse-majesté 1909 |
| Leo Mechelin | Swedish People's Party | 1910–1914 | Exiled to Sweden 1903–1904 |
| Arvid Neovius | Swedish People's Party | 1907–1917 | Exiled to Sweden 1903–1905 |
| August Nybergh | Swedish People's Party | 1910–1914 | Exiled 1903–1904 |
| Otto Piisinen | Social Democratic Party | 1914–1917 | Imprisoned for lèse-majesté 1907–1908 |
| Mauno Rosendal | Young Finnish Party | 1908–1909 | Exiled to Sweden 1903–1905 |
| Emil Schybergson | Swedish People's Party | 1907–1909; 1910–1919 | Exiled to Novgorod 1904–1905 |
| Aarne Sihvo | National Progressive Party | 1919–1920 | Imprisoned for fighting for Germany in the 27th Jäger Battalion 1916-1917 |
| Eric von Troil | Swedish People's Party | 1908–1917 | Exiled 1900–1903 |
| Heikki Välisalmi | Social Democratic Party | 1917–1918 | Exiled to Siberia 1914–1917 |
| Väinö Vankkoja | Social Democratic Party | 1918–1919 | Imprisoned for lèse-majesté 1914–1915 |
| V. K. E. Wichmann | Swedish People's Party | 1908–1909 | Exiled to Sweden 1904–1906 |
| R. A. Wrede | Swedish People's Party | 1910–1914; 1917–1919 | Exiled to Russia 1904 |

## Civil War
### Executed

| MP | Party | MP period | Crime and punishment |
| Juho Hakkinen | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918; executed by White Guards at Viipuri concentration camp 1918 |
| Samuli Häkkinen | Social Democratic Party | 1907–1908; 1914–1918 | Imprisoned for political reasons 1918; executed by White Guards at Viipuri concentration camp 1918 |
| Sofia Hjulgrén | Social Democratic Party | 1914–1917 | Imprisoned for political reasons 1918; executed by White Guards at Viipuri concentration camp 1918 |
| Leander Ikonen | Finnish Party | 1917 | Executed by Red Guards at Viipuri 1918 |
| Oskar Kaipio | Social Democratic Party | 1908–1910 | Imprisoned for political reasons 1918; executed by White Guards at Uusikirkko 1918 |
| Wilho Laine | Social Democratic Party | 1907–1908; 1910–1914 | Imprisoned for political reasons 1918; executed by White Guards at Hämeenlinna 1918 |
| Juho Lehmus | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918; executed by White Guards at Tampere 1918 |
| Vilho Lehokas | Social Democratic Party | 1917–1918 | Executed by White Guards at Viipuri 1918 |
| Jussi Merinen | Social Democratic Party | 1907–1908 | Imprisoned for political reasons 1918; executed by White Guards at Tyrvää 1918 |
| Antti Mikkola | Young Finnish Party | 1907–1908; 1909–1910 1917–1918 | Executed by Red Guards at Töölönlahti 1918 |
| Väinö Nyström | Finnish Party | 1909–1910 | Imprisoned for political reasons 1918; executed by Red Guards at Pirkkala 1918 |
| Matti Pietinen | Young Finnish Party | 1910–1914 | Imprisoned for political reasons 1918; executed by Red Guards at Viipuri Prison 1918 |
| Jussi Rainio | Social Democratic Party | 1911–1914 | Imprisoned for political reasons 1918; executed by White Guards at Pori 1918 |
| Juho Rikkonen | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918; executed by White Guards at Viipuri concentration camp 1918 |
| Ernst Saari | Finnish Party | 1914–1918 | Executed by Red Guards at Tampere 1918 |
| Kalle Suosalo | Social Democratic Party | 1917 | Imprisoned for political reasons 1918; executed by White Guards at Pietarsaari 1918 |
| Juho Tulikoura | Agrarian League | 1907–1917 | Imprisoned for political reasons 1918; executed by Red Guards at Valkeala 1918 |
| Kalle Vänniä | Finnish Party | 1914–1917 | Imprisoned for political reasons 1918; executed by Red Guards at Tyrvää 1918 |
| August Vesa | Social Democratic Party | 1908–1909 | Imprisoned for political reasons 1918; executed by White Guards at Kotka 1918 |

### Died in captivity

| MP | Party | MP period | Crime and punishment |
| Evert Hokkanen | Social Democratic Party | 1907–1910 | Imprisoned for political reasons 1918; died in Hämeenlinna concentration camp 1918 |
| Frans Koskinen | Social Democratic Party | 1907–1911 | Imprisoned for political reasons 1918; died in Herrala concentration camp 1918 |
| Efraim Kronqvist | Social Democratic Party | 1909–1914 | Imprisoned for political reasons 1918; died in Riihimäki concentration camp 1918 |
| Jussi Kujala | Social Democratic Party | 1914–1918 | Imprisoned for political reasons 1918–1919; died in Sörnäinen punishment room 1919 |
| Jukka Lankila | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918–1919; died in Sörnäinen punishment room 1919 |
| Taavetti Lapveteläinen | Social Democratic Party | 1911–1918 | Imprisoned for political reasons 1918–1919; died in Sörnäinen punishment room 1919 |
| Matti Lonkainen | Social Democratic Party | 1909–1918 | Imprisoned for political reasons 1918; died in captivity at Helsinki Surgical Hospital 1918 |
| Julius Nurminen | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918; died in Tammisaari concentration camp 1918 |
| Juho Peura | Social Democratic Party | 1914–1917 | Imprisoned for political reasons 1918; died in Tampere concentration camp 1918 |
| Albert Raitanen | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918; died in Hennala concentration camp 1918 |
| Eetu Salin | Social Democratic Party | 1909–1910; 1917–1918 | Imprisoned for political reasons 1918–1919; died in Helsinki punishment room 1919 |
| Oskari Suutala | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918–1919; died in Sörnäinen punishment room 1919 |
| Albin Valjakka | Social Democratic Party | 1907–1918 | Imprisoned for political reasons 1918; died in Viipuri concentration camp 1918 |

### Imprisoned

Current and former MPs :
| MP | Party | MP period | Crime and punishment |
| Ida Aalle-Teljo | Social Democratic Party | 1907–1917 | Imprisoned for political reasons 1919–1922 |
| Kustaa Ahmala | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918–1922 |
| Valentin Annala | Social Democratic Party | 1909–1918; 1924–1926 | Imprisoned for political reasons 1918 |
| Werner Aro | Social Democratic Party | 1908–1914 | Imprisoned for political reasons 1918–1920 |
| Emanuel Aromaa | Social Democratic Party | 1907–1918; 1924–1927 1929–1933 | Imprisoned for political reasons 1918–1920 |
| Nestori Aronen | Social Democratic Party | 1909–1918 | Imprisoned for political reasons 1918 |
| Oliver Eronen | Social Democratic Party | 1907–1918; 1922–1924 | Imprisoned for political reasons 1918 |
| Kalle Hakala | Social Democratic Party | 1911–1918; 1924–1933 1934–1947 | Imprisoned for political reasons 1918 |
| Alex Halonen | Social Democratic Party | 1910–1911 | Imprisoned for political reasons 1919 |
| Aapo Harjula | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918–1921 |
| Erkki Härmä | Social Democratic Party | 1917–1918; 1948–1949 | Imprisoned for political reasons 1918–1922 |
| Seth Heikkilä | Social Democratic Party | 1907–1909; 1910–1918 | Imprisoned for political reasons 1918 |
| Hilda Herrala | Social Democratic Party | 1908–1914; 1917–1918 1933–1936 | Imprisoned for political reasons 1918–1919 |
| Tahvo Hiekkaranta | Social Democratic Party | 1917 | Imprisoned for political reasons 1918 |
| Matti Hoikka | Social Democratic Party | 1907–1914; 1917–1918 | Imprisoned for political reasons 1918 |
| Vihtori Huhta | Social Democratic Party | 1914–1917; 1941-1945 | Imprisoned for political reasons 1918 |
| Anni Huotari | Social Democratic Party | 1907–1910; 1911–1918 1922–1927; 1932–1943 | Imprisoned for political reasons 1918–1921 |
| Anton Huotari | Social Democratic Party | 1908–1910; 1911–1918 | Imprisoned for political reasons 1918–1922 |
| Oskari Ikonen | Social Democratic Party | 1914–1917 | Imprisoned for political reasons 1918 |
| Oskari Jalava | Social Democratic Party | 1907–1910; 1911–1918 | Imprisoned for political reasons 1918–1923 |
| Mimmi Kanervo | Social Democratic Party | 1907–1917 | Imprisoned for political reasons 1918 |
| A. A. Kannisto | Social Democratic Party | 1907–1911 | Imprisoned for political reasons 1918–1921 |
| J. F. Kivikoski | Social Democratic Party | 1910–1914 | Imprisoned for political reasons 1918 |
| Ville Kiviniemi | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918–1922 |
| Albin Koponen | Social Democratic Party | 1907–1918; 1922–1944 | Imprisoned for political reasons 1918–1919 |
| Jussi Kujala | Social Democratic Party | 1914–1918 | Imprisoned for political reasons 1918–1919 |
| Severi Kurkinen | Social Democratic Party | 1910–1917 | Imprisoned for political reasons 1918 |
| Oskari Fredrik Laine | Social Democratic Party | 1907–1908 | Imprisoned for political reasons 1918–1919 |
| Jaakko Latvala | Social Democratic Party | 1911–1914; 1917–1918 1922–1924; 1927–1929 | Imprisoned for political reasons 1918 |
| Juho Lautasalo | Social Democratic Party | 1908–1918 | Imprisoned for political reasons 1918–1923 |
| Jukka Lehtosaari | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1921–1926 |
| Kalle Lepola | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1922–1926 |
| Paavo Leppänen | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918 |
| Antti Mäkelin | Social Democratic Party | 1907–1909; 1917–1918 | Imprisoned for political reasons 1918–1921 |
| Yrjö Mäkelin | Social Democratic Party | 1908–1911; 1914–1918 | Imprisoned for political reasons 1918–1922 |
| Kaarle Mänty | Social Democratic Party | 1907–1908; 1910–1918 | Imprisoned for political reasons 1918–1921 |
| Emil Murto | Social Democratic Party | 1917–1918 | Imprisoned for political reasons 1918 |
| Oskari Orasmaa | Social Democratic Party | 1907–1911; 1914–1918 | Imprisoned for political reasons 1918–1919 |
| Armas Paasonen | Social Democratic Party | 1911–1918; 1924–1929 1930–1933; 1936–1945 | Imprisoned for political reasons 1918–1919 |
| Eemeli Paronen | Social Democratic Party | 1914–1917; 1917–1919 | Imprisoned for political reasons 1920s |
| Hilja Pärssinen | Social Democratic Party | 1907–1918; 1929–1935 | Imprisoned for political reasons 1919–1923 |
| Otto Peitsalo | Social Democratic Party | 1917 | Imprisoned for political reasons 1918–1920 |
| Fiina Pietikäinen | Social Democratic Party | 1908–1909 | Imprisoned for political reasons 1918 |
| Jukka Pohjola | Social Democratic Party | 1909–1914; 1917 | Imprisoned for political reasons 1918 |
| Frans Rantanen | Social Democratic Party | 1907–1909; 1910–1918 | Imprisoned for political reasons 1918–1919 |
| Samuli Rantanen | Social Democratic Party | 1907–1911; 1917 | Imprisoned for political reasons 1918 |
| Kaarlo Saari | Social Democratic Party | 1910–1918; 1924–1927 | Imprisoned for political reasons 1918 |
| Santeri Saarikivi | Social Democratic Party | 1908–1909; 1910–1911 1917–1918 | Imprisoned for political reasons 1918–1919 |
| Emil Saarinen | Social Democratic Party | 1910–1918; 1922–1929 | Imprisoned for political reasons 1918–1919 |
| J. H. Saaristo | Social Democratic Party | 1908–1910 | Imprisoned for political reasons 1918–1927 |
| Hulda Salmi | Social Democratic Party | 1910–1918 | Imprisoned for political reasons 1918–1921 |
| Aaro Salo | Social Democratic Party | 1907–1914; 1917–1918 | Imprisoned for political reasons 1918 |
| Anni Savolainen-Tapaninen | Social Democratic Party | 1908–1918; 1924–1927 | Imprisoned for political reasons 1918–1921 |
| Aatto Sirén | Social Democratic Party | 1907–1914; 1917–1918 1929–1930; 1933–1936 | Imprisoned for political reasons 1921–1923 |
| Arthur Sivenius | Social Democratic Party | 1907–1909; 1910–1911 | Imprisoned for political reasons 1924–1925 |
| Julius Sundberg | Social Democratic Party | 1917 | Imprisoned for political reasons 1918 |
| Taavi Tainio | Social Democratic Party | 1907–1909; 1911–1914 1922–1929 | Imprisoned for political reasons 1918 |
| Nestori Telkkä | Social Democratic Party | 1908–1911 | Imprisoned for political reasons 1918 |
| Jukka Tuomikoski | Social Democratic Party | 1914–1917; 1917–1918 | Imprisoned for political reasons 1918–1921 |
| O. V. Turunen | Social Democratic Party | 1909–1917 | Imprisoned for political reasons 1918 |
| Taneli Typpö | Social Democratic Party | 1909–1918; 1922–1929 | Imprisoned for political reasons 1918 |
| Ville Vainio | Social Democratic Party | 1909–1911; 1919–1920 1920–1923 | Imprisoned for political reasons 1918 |
| Edvard Valpas | Social Democratic Party | 1907–1918 | Imprisoned for political reasons 1919–1924 |
| August Vatanen | Social Democratic Party | 1914–1917 | Imprisoned for political reasons 1918 |
| Sulo Wuolijoki | Social Democratic Party | 1907–1914 | Imprisoned for political reasons 1920s |
Future MPs :
| MP | Party | MP period | Crime and punishment |
| Aleksander Allila | Socialist Electoral Organisation of Workers and Smallholders | 1924–1927 | Imprisoned for political reasons 1918 |
| Mikko Ampuja | Social Democratic Party | 1919–1941; 1944–1945 | Imprisoned for political reasons 1918 |
| Gunnar Andersson | Social Democratic Party | 1933–1952 | Imprisoned for political reasons 1918 |
| J. O. Aromaa | Social Democratic Party | 1922–1924 | Imprisoned for political reasons 1918 |
| Toivo Aronen | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918–1919 |
| Tuomas Bryggari | Social Democratic Party | 1922–1948 | Imprisoned for political reasons 1918 |
| Yrjö Enne | Socialist Electoral Organisation of Workers and Smallholders | 1927–1928; 1954–1962 | Imprisoned for political reasons 1918 |
| Jaakko Enqvist | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918 |
| Jussi Fahler | Social Democratic Party | 1927–1929 | Imprisoned for political reasons 1918–1919 |
| Vihtori Fallila | Social Democratic Party | 1933 | Imprisoned for political reasons 1918–1921 |
| Toivo Halonen | Social Democratic Party | 1922–1945 | Imprisoned for political reasons 1918 |
| Väinö Hannula | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918 |
| Kaarlo Harvala | Social Democratic Party | 1922–1939 | Imprisoned for political reasons 1918 |
| Frans Hiilos | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918–1920 |
| Edvard Huttunen | Socialist Electoral Organisation of Workers and Smallholders | 1924–1925; 1926–1933 1937–1939 | Imprisoned for political reasons 1918–1920 |
| Kalle Jokinen | Social Democratic Party | 1936–1958 | Imprisoned for political reasons 1918 |
| Yrjö Kallinen | Social Democratic Party | 1945–1948 | Imprisoned for political reasons 1918–1921 |
| Albert Kallio | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918–1920 |
| Väinö Kallio | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned for political reasons 1918 |
| Akseli Kanerva | Social Democratic Party | 1931–1933; 1933-1936 | Imprisoned for political reasons 1918–1920 |
| Kalle Kankari | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1918–1919 |
| O. H. Kekäläinen | Social Democratic Party | 1939–1945 | Imprisoned for political reasons 1918 |
| Väinö Kivisalo | Social Democratic Party | 1929–1948 | Imprisoned for political reasons 1918 |
| Janne Korhonen | Social Democratic Party | 1922–1924 | Imprisoned for political reasons 1918 |
| Juho Kosonen | Social Democratic Party | 1930–1939; 1940–1945 | Imprisoned for political reasons 1918–1919 |
| Juho Kuittinen | Social Democratic Party | 1934–1956 | Imprisoned for political reasons 1918 |
| Toivo Kujala | Finnish People's Democratic League | 1945–1959 | Imprisoned for political reasons 1918 |
| Jalmari Kulmala | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1918 |
| Kalle Kulmala | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1918–1920 |
| Antti Lastu | Social Democratic Party | 1933–1939; 1945 | Imprisoned for political reasons 1918–1920 |
| Arvo Lehto | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned for political reasons 1918–1925 |
| Toivo Lehto | Social Democratic Party | 1922–1929 | Imprisoned for political reasons 1918–1919 |
| Jalmari Leino | Social Democratic Party | 1927–1930 | Imprisoned for political reasons 1918 |
| Martti Leskinen | Finnish People's Democratic League | 1948–1951; 1954–1958 | Imprisoned for political reasons 1918–1919 |
| Paavo Leskinen | Finnish People's Democratic League | 1945–1952 | Imprisoned for political reasons 1918 |
| Jaakko Liedes | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1918 |
| Hemmi Lindqvist | Finnish People's Democratic League | 1951–1958; 1962–1966 | Imprisoned for political reasons 1918–1919 |
| Hjalmar Lindqvist | Social Democratic Party | 1930–1933; 1937–1945 | Imprisoned for political reasons 1918–1919 |
| Jussi Lonkainen | Social Democratic Party | 1924–1927; 1933–1945 | Imprisoned for political reasons 1918 |
| Kalle Myllymäki | Social Democratic Party | 1922–1933 | Imprisoned for political reasons 1918–1919 |
| Lauri Myllymäki | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1954–1958 | Imprisoned for political reasons 1918 |
| Antti Nahkala | Socialist Workers' Party | 1922–1924 | Imprisoned for political reasons 1918 |
| Niilo Pajunen | Social Democratic Party | 1933–1936 | Imprisoned for political reasons 1918 |
| Eino Pekkala | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1945–1948 | Imprisoned for political reasons 1918–1920 |
| Martti Peltonen | Social Democratic Party | 1939–1945 | Imprisoned for political reasons 1918 |
| Isak Penttala | Social Democratic Party | 1927–1951 | Imprisoned for political reasons 1918–1919 |
| Hjalmar J. Procopé | Swedish People's Party | 1919–1922; 1924–1926 | Imprisoned for buying weapons for the Whites 1918 |
| Juho Pyy | Social Democratic Party | 1930–1933; 1935–1951 | Imprisoned for political reasons 1918 |
| Jussi Raatikainen | Social Democratic Party | 1936–1951 | Imprisoned for political reasons 1918 |
| Pekka Railo | Social Democratic Party | 1941–1944 | Imprisoned for political reasons 1918 |
| Viljo Rantala | Social Democratic Party | 1922–1962 | Imprisoned for political reasons 1918–1921 |
| Janne Räsänen | Socialist Electoral Organisation of Workers and Smallholders | 1924–1927 | Imprisoned for political reasons 1918–1919 |
| Ville Riihinen | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1918 |
| Wivi Roslander | Social Democratic Party | 1922 | Imprisoned for political reasons 1918 |
| Filemon Savenius | Socialist Electoral Organisation of Workers and Smallholders | 1924–1929 | Imprisoned for political reasons 1918 |
| Salomo Savolainen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1929 | Imprisoned for political reasons 1918–1921 |
| Emil Tabell | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1918 |
| Konsta Talvio | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930; 1945–1948 | Imprisoned for political reasons 1918–1920 |
| Kalle Toppinen | Socialist Workers' Party | 1922–1924 | Imprisoned for political reasons 1918 |
| Arvo Tuominen | Social Democratic Party | 1958–1962 | Imprisoned for political reasons 1918 |
| Aukusti Turunen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1948 | Imprisoned for political reasons 1918 |
| August Valta | Social Democratic Party | 1927–1933; 1941–1944 | Imprisoned for political reasons 1918 |
| K. E. Varho | Socialist Electoral Organisation of Workers and Smallholders | 1926–1927 | Imprisoned for political reasons 1918 |
| Ida Vihuri | Social Democratic Party | 1922–1929 | Imprisoned for political reasons 1918–1920 |
| Jalmari Virta | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1918 |

## Inter-war period
### Died in captivity

| MP | Party | Party | MP period | Crime and punishment | Ref. |
| Yrjö Mäkelin | | Social Democratic Party | 1908–1911; 1914–1918 | Imprisoned for political reasons 1923; died in prison in 1923 | |

### Imprisoned

Current and former MPs :
| MP | Party | MP period | Crime and punishment |
| Elin Airamo | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1926 |
| Aleksander Allila | Socialist Electoral Organisation of Workers and Smallholders | 1924–1927 | Imprisoned for political reasons 1926 |
| Toivo Aronen | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1928 |
| Yrjö Enne | Socialist Electoral Organisation of Workers and Smallholders | 1927–1928; 1954–1962 | Imprisoned for political reasons 1928 |
| Jaakko Enqvist | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Ida Hämäläinen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1929 | Imprisoned for political reasons 1930–1932 |
| Väinö Hannula | Socialist Workers' Party | 1922–1923; 1941–1944 | Imprisoned for political reasons 1923 |
| Laura Härmä | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Frans Hiilos | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1926 |
| Vihtori Huhta | Social Democratic Party | 1914–1917; 1941-1945 | Imprisoned for political reasons 1926, 1930s |
| Oskari Ikonen | Social Democratic Party | 1914–1917 | Imprisoned for political reasons 1924 |
| Oskari Jalava | Social Democratic Party | 1907–1910; 1911–1918 | Imprisoned for political reasons 1920s |
| Antti Kaarne | Christian Workers' Union | 1908–1911; 1922–1923 | Imprisoned for political reasons 1923 |
| Väinö Kallio | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned for political reasons 1930–1932 |
| Kalle Kankari | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923, 1930s |
| Pekka Kemppi | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1920s |
| Aukusti Koivisto | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Kalle Lampinen | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Toivo Långström | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1926, 1930–1934 |
| Toivo Latva | Socialist Electoral Organisation of Workers and Smallholders | 1927–1928 | Imprisoned for political reasons 1928–1931 |
| Sandra Lehtinen | Social Democratic Party | 1907–1910 | Imprisoned for political reasons 1929–1932 |
| Yrjö Lehtinen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1929 | Imprisoned for political reasons 1930s |
| Jaakko Liedes | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1930–1933 |
| Emmi Mäkelin | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Kaarle Mänty | Social Democratic Party | 1907–1908; 1910–1918 | Imprisoned for political reasons 1923–1927 |
| Lauri Myllymäki | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1954–1958 | Imprisoned for political reasons 1930–1934 |
| Antti Nahkala | Socialist Workers' Party | 1922–1924 | Imprisoned for political reasons 1923–1928 |
| Eino Pekkala | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1945–1948 | Imprisoned for political reasons 1930 |
| Hannes Pulkkinen | Socialist Workers' Party | 1922–1924 | Imprisoned for political reasons 1924–1925 |
| Arvo Riihimäki | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1945–1954 | Imprisoned for political reasons 1930–1932 |
| Jalmari Rötkö | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned for political reasons 1930 |
| August Rytkönen | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Rosa Sillanpää | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1926 |
| Pekka Strengell | Socialist Electoral Organisation of Workers and Smallholders | 1924–1927; 1928–1930 | Imprisoned for political reasons 1930–1932 |
| Julius Sundblom | Swedish People's Party | 1907–1919 | Imprisoned for treason 1920 |
| Konsta Talvio | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930; 1945–1948 | Imprisoned for political reasons 1930–1933 |
| Bruno Tenhunen | Socialist Electoral Organisation of Workers and Smallholders | 1924 | Imprisoned for political reasons 1924–1926 |
| Kalle Toppinen | Socialist Workers' Party | 1922–1924 | Imprisoned for political reasons 1923 |
| Lempi Tuomi | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923–1924 |
| Matti Turkia | Social Democratic Party | 1907–1909; 1914–1917 1930–1945 | Imprisoned for political reasons 1927–1928 |
| Aukusti Turunen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1948 | Imprisoned for political reasons 1930–1933 |
| Vihtori Vainio | Socialist Workers' Party | 1923 | Imprisoned for political reasons 1923 |
| Ville Vainio | Social Democratic Party | 1909–1911; 1919–1920 1920–1923 | Imprisoned for political reasons 1921–1922; 1923–1925 |
| Heikki Väisänen | Social Democratic Party | 1917; 1919; 1929–1930 | Imprisoned for political reasons 1930 |
| Matti Väisänen | Socialist Workers' Party | 1922 | Imprisoned for political reasons 1923 |
| Yrjö Valkama | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| K. E. Varho | Socialist Electoral Organisation of Workers and Smallholders | 1926–1927 | Imprisoned for political reasons 1930–1932 |
| Juho Vesterlund | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1923 |
| Konsta Vuokila | Socialist Electoral Organisation of Workers and Smallholders | 1924 | Imprisoned for political reasons 1924–1927 |
Future MPs :
| MP | Party | MP period | Crime and punishment |
| Aimo Aaltonen | Finnish People's Democratic League | 1945–1962 | Imprisoned for political reasons 1933–1944 |
| Toivo Friman | Finnish People's Democratic League | 1948–1962; 1966–1970 | Imprisoned for political reasons 1932–1934 |
| Esa Hietanen | Finnish People's Democratic League | 1945–1962 | Imprisoned for political reasons 1926–1927, 1930–1934 |
| Matti Huhta | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1937–1944 |
| Juho Hukari | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1931–1933 |
| Mikko Järvinen | Finnish People's Democratic League | 1945–1953 | Imprisoned for political reasons 1930s |
| Toivo Järvinen | Finnish People's Democratic League | 1945–1947 | Imprisoned for political reasons 1930–1933 |
| Lauri Kantola | Finnish People's Democratic League | 1962–1975 | Imprisoned for political reasons 1929–1933 |
| Elsa Karppinen | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1922, 1927–1930, 1931–1935 |
| Kalle Kauhanen | Finnish People's Democratic League | 1945–1951; 1954–1958 | Imprisoned for political reasons 1931–1934 |
| Toivo Kujala | Finnish People's Democratic League | 1945–1959 | Imprisoned for political reasons 1931 |
| Eino Kujanpää | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1937–1940 |
| Jalmari Kulmala | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1931–1933 |
| Hertta Kuusinen | Finnish People's Democratic League | 1945–1972 | Imprisoned for political reasons 1934–1939 |
| Eemeli Lakkala | Finnish People's Democratic League | 1958–1962 | Imprisoned for political reasons 1930–1932 |
| Toivo Lång | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1929–1931, 1934–1936 |
| Yrjö Leino | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1935–1938 |
| Martti Leskinen | Finnish People's Democratic League | 1948–1951; 1954–1958 | Imprisoned for political reasons 1930–1932 |
| Paavo Leskinen | Finnish People's Democratic League | 1945–1952 | Imprisoned for political reasons for 11 years |
| Hemmi Lindqvist | Finnish People's Democratic League | 1951–1958; 1962–1966 | Imprisoned for political reasons 1927–1928, 1930–1934 |
| Yrjö Murto | Finnish People's Democratic League | 1948–1963 | Imprisoned for political reasons 1934–1944 |
| Janne Mustonen | Finnish People's Democratic League | 1945–1962; 1963–1964 | Imprisoned for political reasons 1926–1932 |
| Heikki Niskanen | People's Party | 1933–1945 | Imprisoned for the 1933 Nivala revolt 1933–1934 |
| Nestori Nurminen | Finnish People's Democratic League | 1945–1962; 1966–1970 | Imprisoned for political reasons 1932–1937 |
| Juho Nykänen | Finnish People's Democratic League | 1951–1954 | Imprisoned for political reasons 1932–1935 |
| Ville Pessi | Finnish People's Democratic League | 1945–1966 | Imprisoned for political reasons 1935–1944 |
| Antto Prunnila | Finnish People's Democratic League | 1945–1954; 1958–1962 | Imprisoned for political reasons 1931–1933 |
| Ville Puumalainen | Finnish People's Democratic League | 1945–1954 | Imprisoned for political reasons 1931–1932 |
| Eino Rannikkoluoto | Finnish People's Democratic League | 1952–1954 | Imprisoned for political reasons 1930–1934 |
| Kalle Renfors | Finnish People's Democratic League | 1948–1954 | Imprisoned for political reasons 1930s |
| Ville Riihinen | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1925–1928, 1930–1934 |
| Eino Roine | Finnish People's Democratic League | 1945–1951; 1954–1962 1962–1966 | Imprisoned for political reasons 1930–1933 |
| Mauritz Rosenberg | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned for political reasons 1922–1924, 1930–1933 |
| Ilmari Sormunen | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1930–1934, 1937–1939 |
| Elli Stenberg | Finnish People's Democratic League | 1945–1966 | Imprisoned for political reasons 1930–1936 |
| Leo Suonpää | Finnish People's Democratic League | 1954–1970 | Imprisoned for political reasons 1934–1936 |
| Paavo Susitaival | Patriotic People's Movement | 1939–1940 | Imprisoned for political reasons four times 1930s |
| Eino Tainio | Finnish People's Democratic League | 1945–1970 | Imprisoned for political reasons 1929–1932, 1933–1938 |
| Olga Terho | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1932–1933, 1936–1940 |
| Arvo Tuominen | Social Democratic Party | 1958–1962 | Imprisoned for political reasons 1922–1926; 1928–1933 |
| Tyyne Tuominen | Finnish People's Democratic League | 1945–1948; 1958–1962 | Imprisoned for political reasons 1938–1940 |
| Reino Uusisalmi | Finnish People's Democratic League | 1945 | Imprisoned for political reasons 1930–1931 |
| Aaro Uusitalo | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1931–1935 |

## Winter War and Continuation War
### Imprisoned

Current and former MPs :
| MP | Party | MP period | Crime and punishment |
| Mikko Ampuja | Social Democratic Party | 1919–1941; 1944–1945 | Imprisoned for political reasons 1941–1944 |
| Johan Helo | Social Democratic Party | 1919–1922; 1924–1935 1945–1946 | Imprisoned for political reasons 1941–1944 |
| T. M. Kivimäki | National Progressive Party | 1922; 1924–1927 1929–1940 | Imprisoned for war crimes 1946–1948 |
| Antti Kukkonen | Agrarian League | 1919–1945; 1954–1962 | Imprisoned for war crimes 1946–1947 |
| Toivo Långström | Socialist Workers' Party | 1922–1923 | Imprisoned for political reasons 1941–1944 |
| Edwin Linkomies | National Coalition Party | 1933–1945 | Imprisoned for war crimes 1946–1948 |
| Väinö Meltti | Socialist Group | 1941; 1944–1945 | Imprisoned for political reasons 1941–1944 |
| Lauri Myllymäki | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930; 1954–1958 | Imprisoned for political reasons 1941–1944 |
| Yrjö Räisänen | Social Democratic Party | 1930–1941; 1944–1948 | Imprisoned for political reasons 1941–1944 |
| Tyko Reinikka | Agrarian League | 1922–1930 | Imprisoned for war crimes 1946–1947 |
| Kaisu-Mirjami Rydberg | Social Democratic Party | 1939–1941; 1944–1948 | Imprisoned for political reasons 1941–1944 |
| Mauri Ryömä | Social Democratic Party | 1936–1937; 1945–1958 | Imprisoned for political reasons 1940–1944 |
| Risto Ryti | National Progressive Party | 1919–1924; 1927–1929 | Imprisoned for war crimes 1946–1949 |
| Cay Sundström | Social Democratic Party | 1936–1941; 1944–1945 | Imprisoned for political reasons 1941–1944 |
| Väinö Tanner | Social Democratic Party | 1907–1911; 1914–1917 1919–1927; 1930–1945 1951–1954; 1958–1962 | Imprisoned for war crimes 1946–1948 |
| K. H. Wiik | Social Democratic Party | 1911–1918; 1922–1929 1933–1941; 1944–1946 | Imprisoned for political reasons 1941–1944 |
Future MPs :
| MP | Party | MP period | Crime and punishment |
| Aimo Aaltonen | Finnish People's Democratic League | 1945–1962 | Imprisoned for political reasons 1933–1944 |
| Toivo Åsvik | Finnish People's Democratic League | 1954–1966; 1970–1975 | Imprisoned for political reasons 1941–1944 |
| Georg Backlund | Finnish People's Democratic League | 1953–1954; 1958–1970 | Imprisoned for political reasons 1939–1944 |
| Toivo Friman | Finnish People's Democratic League | 1948–1962; 1966–1970 | Imprisoned for political reasons 1939–1944 |
| Esa Hietanen | Finnish People's Democratic League | 1945–1962 | Imprisoned for political reasons 1939–1940 |
| Matti Huhta | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1937–1944 |
| Juho Hukari | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1940–1944 |
| Lauri Kantola | Finnish People's Democratic League | 1962–1975 | Imprisoned for political reasons 1941–1944 |
| Elsa Karppinen | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1939–1944 |
| Toivo Kujala | Finnish People's Democratic League | 1945–1959 | Imprisoned for political reasons 1940s |
| Eino Kujanpää | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1937–1940, 1941–1944 |
| Jalmari Kulmala | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1939–1944 |
| Hertta Kuusinen | Finnish People's Democratic League | 1945–1972 | Imprisoned for political reasons 1941–1944 |
| Eemeli Lakkala | Finnish People's Democratic League | 1958–1962 | Imprisoned for political reasons 1939–1940, 1941–1944 |
| Toivo Lång | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1939–1940, 1940–1944 |
| Yrjö Leino | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1940–1941 |
| Hemmi Lindqvist | Finnish People's Democratic League | 1951–1958; 1962–1966 | Imprisoned for political reasons 1939–1944 |
| Juho Mäkelä | Finnish People's Democratic League | 1945–1948; 1958–1966 | Imprisoned for political reasons 1940–1944 |
| Yrjö Murto | Finnish People's Democratic League | 1948–1963 | Imprisoned for political reasons 1934–1944 |
| Janne Mustonen | Finnish People's Democratic League | 1945–1962; 1963–1964 | Imprisoned for political reasons 1941–1943 |
| Sulo Muuri | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1939–1940, 1941–1944 |
| Toivo Niiranen | Finnish People's Democratic League | 1962–1966 | Imprisoned for political reasons 1944 |
| Nestori Nurminen | Finnish People's Democratic League | 1945–1962; 1966–1970 | Imprisoned for political reasons 1940–1944 |
| Juho Nykänen | Finnish People's Democratic League | 1951–1954 | Imprisoned for political reasons 1939–1940 |
| Ville Pessi | Finnish People's Democratic League | 1945–1966 | Imprisoned for political reasons 1935–1944 |
| Antto Prunnila | Finnish People's Democratic League | 1945–1954; 1958–1962 | Imprisoned for political reasons 1941–1944 |
| Eino Rannikkoluoto | Finnish People's Democratic League | 1952–1954 | Imprisoned for political reasons 1939–1940, 1941–1944 |
| Pertti Rapio | Finnish People's Democratic League | 1951–1966 | Imprisoned for political reasons 1941–1944 |
| Ville Riihinen | Finnish People's Democratic League | 1945–1951 | Imprisoned for political reasons 1939–1940 |
| Eino Roine | Finnish People's Democratic League | 1945–1951; 1954–1962 1962–1966 | Imprisoned for political reasons 1941–1944 |
| Gösta Rosenberg | Finnish People's Democratic League | 1945–1966 | Imprisoned for espionage 1939–1940 |
| Elli Stenberg | Finnish People's Democratic League | 1945–1966 | Imprisoned for political reasons 1939–1944 |
| Eino Tainio | Finnish People's Democratic League | 1945–1970 | Imprisoned for political reasons 1939–1940, 1940–1944 |
| Hannes Tauriainen | Finnish People's Democratic League | 1948–1966 | Imprisoned for political reasons 1939–1944 |
| Olga Terho | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1936–1940, 1941–1944 |
| Tyyne Tuominen | Finnish People's Democratic League | 1945–1948; 1958–1962 | Imprisoned for political reasons 1938–1940, 1941–1944 |
| Reino Uusisalmi | Finnish People's Democratic League | 1945 | Imprisoned for political reasons 1940–1944 |
| Aaro Uusitalo | Finnish People's Democratic League | 1945–1948 | Imprisoned for political reasons 1941–1944 |
| Antti Virtanen | Finnish People's Democratic League | 1946–1948 | Imprisoned for political reasons 1941–1944 |
| Hella Wuolijoki | Finnish People's Democratic League | 1946–1948 | Imprisoned for espionage 1942–1944 |

## Soviet Union
### Executed

| MP | Party | MP period | Crime and punishment |
| Aino Forsten | Social Democratic Party | 1917–1918 | Imprisoned 1937; executed at Petroskoi 1937 |
| Edvard Gylling | Social Democratic Party | 1908–1910; 1911–1918 | Imprisoned 1937–1938; executed 1938 |
| Herman Hurmevaara | Social Democratic Party | 1917–1919 | Imprisoned 1937–1938; executed at Petroskoi 1938 |
| Oskari Ikonen | Social Democratic Party | 1914–1917 | Imprisoned 1938; executed at Petroskoi 1938 |
| Väinö Kallio | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned 1938; executed at Petroskoi 1938 |
| Hanna Karhinen | Social Democratic Party | 1914–1917 | Imprisoned 1938; executed at Aunus 1938 |
| Kalle Korhonen | Social Democratic Party | 1917–1918 | Imprisoned 1937–1938; executed at Karhumäki 1938 |
| Kalle Kyhälä | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned 1938; executed near Petroskoi 1938 |
| Kalle Lepola | Social Democratic Party | 1917–1918 | Imprisoned 1937; executed 1937 |
| Maria Letonmäki | Social Democratic Party | 1917 | Imprisoned 1937; executed at Petroskoi 1937 |
| J. H. Lumivuokko | Social Democratic Party | 1914–1917 | Imprisoned 1938; executed at Petroskoi 1938 |
| Jaakko Mäki | Social Democratic Party | 1908–1918 | Imprisoned 1937–1938; executed at Petroskoi 1938 |
| Juho Perälä | Socialist Electoral Organisation of Workers and Smallholders | 1928–1930 | Imprisoned 1937–1938; executed at Karhumäki 1938 |
| Hannes Pulkkinen | Socialist Workers' Party | 1922–1924 | Imprisoned 1937–1938; executed at Karhumäki 1938 |
| Asser Salo | Socialist Electoral Organisation of Workers and Smallholders | 1929–1930 | Imprisoned 1937–1938; executed 1938 |
| Tyyne Salomaa | Social Democratic Party | 1917 | Imprisoned 1938; executed at Petroskoi 1938 |
| Emil Tabell | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned 1937; executed 1937 |
| Kalle Toppinen | Socialist Workers' Party | 1922–1924 | Imprisoned 1937–1938; executed at Karhumäki 1938 |
| Arthur Usénius | Social Democratic Party | 1917–1918 | Imprisoned 1935–1937; executed at Leningrad 1937 |
| Jalmari Virta | Socialist Electoral Organisation of Workers and Smallholders | 1924–1930 | Imprisoned 1937–1938; executed at Karhumäki 1938 |

### Died in captivity

| MP | Party | MP period | Crime and punishment |
| Matti Airola | Social Democratic Party | 1908–1918 | Imprisoned 1938–1939; died in prison in Leningrad 1939 |
| Toivo Alavirta | Social Democratic Party | 1917–1918 | Imprisoned 1937–1940; died at a prison camp in Ust-Vym 1940 |
| Hanna Kohonen | Social Democratic Party | 1917–1918 | Imprisoned 1937–1944; died at a labour camp in Karaganda 1944 |
| Jukka Lehtosaari | Social Democratic Party | 1917–1918 | Imprisoned 1938–1939; died in prison in Molotov Oblast 1939 |
| Kullervo Manner | Social Democratic Party | 1910–1918 | Imprisoned 1935–1939; died at a labour camp in Siberia 1939 |
| Antti Nahkala | Socialist Workers' Party | 1922–1924 | Imprisoned 1938–1942; died at a camp in Uhto-Izhemsk, Siberia 1942 |

### Imprisoned

| MP | Party | MP period | Crime and punishment |
| Aleksander Allila | Socialist Electoral Organisation of Workers and Smallholders | 1924–1927 | Imprisoned 1933 |
| Feliks Kellosalmi | Social Democratic Party | 1909–1911; 1917–1918 | Imprisoned 1935–1936 |
| Jalo Kohonen | Social Democratic Party | 1917–1918 | Imprisoned 1935 |
| Toivo Latva | Socialist Electoral Organisation of Workers and Smallholders | 1927–1928 | Imprisoned 1937–1947 |
| J. K. Lehtinen | Social Democratic Party | 1917 | Imprisoned 1937 |
| Santeri Nuorteva | Social Democratic Party | 1907–1908; 1909–1911 | Imprisoned 1921–1922 |
| Pekka Nurmiranta | Socialist Workers' Party | 1922–1924 | Imprisoned 1941– |
| Anni Rytkönen | Social Democratic Party | 1919–1922 | Imprisoned 1937–1938 |
| Siina Urpilainen | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930 | Imprisoned at a camp in Karaganda 1938–1948 |
| William Tanner | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930 | Imprisoned 1935–1940 |

## Other countries
### Imprisoned

| MP | Party | Party | MP period | Crime and punishment | Ref. |
| A. J. Partanen | | Social Democratic Party | 1907–1910 | Imprisoned for political reasons in Oregon, USA 1918–1920 | |
| William Tanner | | Socialist Electoral Organisation of Workers and Smallholders | 1927–1930 | Imprisoned for espionage in the USA 1918–1922 | |