This is a list of more important international treaties signed by Finland from 1917 onwards.

  • Treaty of Peace between Finland and Germany (1918)
  • Treaty of Peace between Austria-Hungary and Finland (1918)
  • Treaty of Tartu (1920) with Bolshevist Russia
  • Arbitration on Åland (1921) by the League of Nations
  • International treaties on Åland (1921)
  • Soviet-Finnish non-aggression pact (1932)
  • Moscow Peace Treaty (1940) with the Soviet Union (obsolete)
  • Anti-Comintern Pact (1941) with Nazi Germany during World War II
  • Ryti–Ribbentrop Agreement (1944)
  • Moscow Armistice (1944) with the Soviet Union (many provisions considered obsolete with the dissolution of the Soviet Union)
  • Paris Peace Treaty (1947) with the Allies (many provisions considered obsolete)
  • Agreement of Friendship, Cooperation, and Mutual Assistance (1948 YYA Treaty) with the Soviet Union (considered obsolete)
  • Nordic Council (1955), became a member
  • United Nations (1955), became a member
  • Porkkala Restitution (1956)
  • European Free Trade Association (1961), became an associate member
  • Helsinki Treaty (1962) with Denmark, Iceland, Norway, and Sweden
  • Helsinki Accords (1975) with Conference on Security and Co-operation in Europe
  • European Free Trade Association (1986), became a full member
  • Council of Europe (1989), became a member
  • Paris Charter (since 1990)
  • Partnership for Peace (1994)
  • Treaty of Accession to the European union (1994), became a member in 1995
  • Nordic Battlegroup / EU Battlegroup (2008), became a full member
  • Ottawa Treaty (2012)
  • Joint Expeditionary Force (2014), became member
  • NATO (2023), became a member
  • Defense Cooperation Agreement (2023) with the United States
  • ICE Pact (2024) with the United States and Canada

See also

  • History of Finland
  • List of Finnish wars
  • List of treaties