Events from the year 1658 in Sweden

• Monarch – Charles X Gustav

• Battle of Kobron
• Battle of Tybrindvig
• February 6 – Swedish troops of Charles X Gustav of Sweden cross the Great Belt (Storebælt) in Denmark over frozen sea.
• February 26 – The peace between Sweden and Denmark is concluded in Roskilde by the Treaty of Roskilde, under which Denmark is forced to cede significant territory.
• Swedish occupation of Bornholm
• Armistice between Sweden and Russia
• Sweden declares war on Denmark.
• Swedish occupation of Valmiera
• Sweden invades Denmark.
• Swedish siege of Copenhagen
• Sweden invades Courland.
• Swedish occupation of Kronborg
• Swedish occupation of Marienburg
• Sweden invades Norway.
• Swedish occupation of Courland
• Sweden takes Mitau and captures the Duke of Courland.
• Sweden pillages Amager.
• Battle of the Sound; the siege of Copenhagen is over.
• The end of the Swedish occupation of Jylland
• The end of the Swedish occupation of Als
• The end of the Swedish occupation of Bornholm
• The end of the Swedish occupation of Trondheim
• The end of the Swedish occupation of Thorn
• Herkules by Georg Stiernhielm
• Thet Swenska Språketz Klagemål by Skogekär Bergbo

• Hedvig Eleonora Stenbock, courtier (died 1714)

• 8 December - Johan Printzensköld, army officer (born 1615)
• Marketta Punasuomalainen, cunning woman and alleged witch (born 1600)