Events from the year 1973 in Sweden

• Monarch – Gustaf VI Adolf (died September 15), then Carl XVI Gustaf
• Prime Minister – Olof Palme

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• 20 January – A 34-year-old academic lecturer, Alf Svensson, becomes party leader of the Swedish political party Kristen Demokratisk Samling (KDS). , a position he would hold for 31 years.
• 16 March – Residents of the municipality of Dorothea go on hunger strike in protest of the Swedish government's plans to merge with the municipalities of Åsele and Frederika, giving up after a week.
• 11 May – The Data Act (Sw. Datalagen) − the world's first national data protection law − is enacted in Sweden.
• 23–28 August – Norrmalmstorg robbery - a bank robbery and hostage crisis best known as the origin of the term Stockholm syndrome.
• 15 September – King Gustaf VI Adolf dies in his 91st year. He's succeeded by his 27-year-old grandson, Carl XVI Gustaf.
• 16 September – 1973 Swedish general election.

• 23 January – Tomas Holmström, ice hockey player.^[1]
• 23 February – Linda Ulvaeus, actress and singer
• 19 March – Magnus Hedman, footballer
• 22 March — Martina Fortkord, alpine skier
• 25 March – Anders Fridén, singer
• 1 April – Anna Carin Zidek, biathlete
• 3 April – Andreas Carlsson, music producer and songwriter
• 15 April – Teddy Lučić, footballer and manager
• 27 April – Sharlee D'Angelo, musical artist
• 5 May – Johan Hedberg, ice hockey player
• 24 May – Jill Johnson, Musical artist
• 5 July – Marcus Allbäck, footballer and coach
• 20 July – Peter Forsberg, ice hockey player.^[2]
• 30 July – Markus Näslund, ice hockey player
• 15 September – Prince Daniel, Duke of Västergötland, Duke of Västergötland
• 26 September – Maria Bonnevie, Swedish-Norwegian actress
• 3 October – Ljubomir Vranjes, handball player
• 16 October – Eva Röse, actress
• 12 October – Martin Österdahl, author and television producer

• 4 August – Gustav Freij, wrestler, Olympic champion in 1948 (born 1922).^[3]
• 7 September – Ernst Casparsson, horse rider (born 1886).^[4]
• 15 September – Gustaf VI Adolf, king (born 1882).