1818 in Sweden

Incumbents

• Monarch – Charles XIII then Charles XIV John

Events

• 5 February - King Charles XIII of Sweden died and was succeeded by Charles XIV John of Sweden.
• 11 May - The coronation of Charles XIV John of Sweden in Stockholm.
• 7 September - The coronation of Charles XIV John of Sweden as Charles III John of Norway, in Christiana.
• - Gustafva Lindskog are appointed instructor in the first class for physical education and Physical therapy for females in Sweden at the Royal Central Gymnastics Institute.
• - Bodø affair

Births

• 16 January – C. V. A. Strandberg, poet
• 18 May - Gunnar Olof Hyltén-Cavallius, scholar of cultural history, librarian, theatre director, and diplomat
• 27 May – Anton Niklas Sundberg, archbishop of Uppsala
• 18 July – Louis De Geer, politician and writer
• 21 July – Charlotta Öberg, poet
• 22 July – Betty Ehrenborg, writer
• Matilda Kristina von Schwerin, landowner

Deaths

• 10 May – Greta Naterberg, folk singer
• 20 June - Queen Dowager Charlotte, royalty
• 29 July - Johan Gabriel Oxenstierna, poet
• December 1 - Carl Frederik von Breda, painter
• December 8 - Johan Gottlieb Gahn, chemist and metallurgist who discovered manganese
• 10 March - Fabian von Fersen (1762–1818), officer, politician and courtier
• 19 September - Lovisa Meijerfeldt, countess and courtier, known as one of the "Three Graces"
• 24 September - Sola i Karlstad, innkeeper and local profile