Events in the year 1990 in the Federal Republic of Germany and East Germany.

• President – Richard von Weizsäcker
• Chancellor – Helmut Kohl

• Head of State
  • Manfred Gerlach (until 5 April 1990)
  • Sabine Bergmann-Pohl (5 April – 2 October 1990)
• Head of Government
  • Hans Modrow (until 12 April 1990)
  • Lothar de Maizière (12 April – 2 October 1990)

• Die Wende
• 29 March – Germany in the Eurovision Song Contest 1990

• January 15 – East German demonstrations: Demonstrators in East Berlin stormed the headquarters of Stasi

• February 2 – Rüsselsheim train disaster
• February 9-20 – 40th Berlin International Film Festival

• 18 March – 1990 East German general election

• 1 July – German reunification: The Deutsche Mark became East Germany's currency with the West, replacing the East German mark
• 8 July – West Germany defeats Argentina 1–0 to win the 1990 FIFA World Cup.

• 23 August – German reunification: East Germany votes to dissolve its independence and will join with West Germany effective on the 3rd of October
• 31 August – German reunification: West and East Germany signed a unification treaty

• 12 September – German reunification: Treaty on the Final Settlement with Respect to Germany

• 1 October – The first banknotes (100 and 200) of the fourth series of Deutsche Mark enter circulation
• 3 October – German reunification: West and East Germany reunified as a single Germany. Berlin becomes the official capital

• 14 November – German–Polish Border Treaty

• 2 December – 1990 German federal election

• 4 January – Toni Kroos, German footballer
• 28 January – Markus Deibler, German swimmer
• 30 January – Nils Miatke, German footballer
• 18 March – Wilson Gonzalez Ochsenknecht, German actor
• 10 April – Christoph Harting, German athlete specialising in the discus throw
• 14 April – Markus Smarzoch, German footballer
• 21 April – Sebastian Walter, German politician
• 30 April – Michael Schulte, German singer
• 7 May – Sideris Tasiadis, German canoeist
• 12 May – Tobias Strobl, German footballer
• 1 June – Kieren Emery, German-English rower
• 3 June – Fabian Götze, German footballer
• 7 June – Benjamin Woltmann, German footballer
• 14 June – Robert Hering, German sprinter
• 2 July – Roman Lob, German singer
• 4 July – David Kross, German actor
• 21 August – Jana Majunke, German Paralympic cyclist^[1]
• 6 November – André Schürrle, German footballer
• 10 November – Kristina Vogel, German cyclist
• 18 November – Kira Walkenhorst, German beach volleyball player

• 8 January – Horst Freiherr Treusch von Buttlar-Brandenfels, German general (born 1900)
• 20 March – Wilhelm Neef, German composer and conductor (born 1916)
• 28 March – Kurt Scharf, German clergyman and bishop of the Evangelical Church in Berlin-Brandenburg (born 1902)
• 14 April – Martin Kessel, German writer (born 1901)
• 15 April – Helmut Lemke, German politician (born 1907)
• 20 April – Horst Sindermann, German politician (born 1915)
• 5 May – Walter Bruch, German electrical engineer (born 1908)
• 14 June – Erna Berger, coloratura lyric soprano (born 1900)
• 9 July
  • Horst Rittel, German design theorist (born 1930)
  • Friedrich Wegener, German pathologist (born 1907)
• 14 July – Walter Sedlmayr, German actor (born 1926)
• 7 August – Gebhard Müller, German politician (born 1900)
• 23 August – Karl II, 8th Prince of Löwenstein-Wertheim-Rosenberg. German nobleman (born 1904)
• 29 October – Volker von Collande, German actor and film director (born 1913)
• 24 November – Helga Feddersen, German actress, comedian, singer, author, and theater director (born 1930)
• 7 December – Horst Bienek, German economist (born 1930)

• 1990 in German television