Events from the year 1925 in Sweden

• Monarch – Gustaf V
• Prime Minister – Hjalmar Branting, Rickard Sandler

• 1 January – First day of radio broadcasting in Sweden: AB Radiotjänst (forerunner of Sveriges Radio) broadcasts its first programme. Gaston Borch conducts the Skandia Cinema Orchestra in the country's first broadcast of orchestral music.^[1]
• 25 January – Hjalmar Branting resigns as Prime Minister because of ill health and is replaced by the minister of trade, Rickard Sandler.
• 5 April – The Swedish Bandy Association is founded in Stockholm out of the Swedish Football Association's former bandy section.^[2]

• 4 February – Arne Åhman, triple jumper, Olympic champion in 1948.^[3]
• 27 April – Folke Eriksson, water polo player (died 2008).^[4]
• 2 May – Inga Gill, film actress (died 2000)
• 10 May – Hasse Jeppson, footballer
• 24 May – Mai Zetterling, film actress and director (died 1994)
• 11 July – Nicolai Gedda, operatic tenor (died 2017)
• 14 September – Ove Rainer, politician (died 1987)
• 4 November – Folke Sundquist, actor (died 2009)
• 27 November – Kurt Lundquist, runner (died 2011).^[5]

• 14 February – Signe Hebbe, opera singer (born 1837)
• 24 February – Hjalmar Branting, 19th Prime Minister of Sweden, recipient of the Nobel Peace Prize (born 1860)
• 8 March – Arvid Knöppel, sport shooter (born 1867).^[6]
• 2 June – Emilia Broomé, politician (born 1866)
• 3 October – Frigga Carlberg, women's rights activist (born 1851)