← 2022 2021 2020 2023 in Switzerland → 2024 2025 2026
Decades:	2000s 2010s 2020s
See also:	History of Switzerland Timeline of Swiss history List of years in Switzerland

The following events occurred in Switzerland in the year 2023.

• President of the Swiss Confederation: Alain Berset
• President of the National Council: Irène Kälin
• President of the Swiss Council of States: Thomas Hefti

• 5 February: Avalanches kill eight tourists in the Alps.^[1]
• 19 March: Acquisition of Credit Suisse by UBS: UBS Group AG, supported by the Swiss government, reaches a deal to merge with Credit Suisse as the latter faces imminent insolvency.^[2]
• 31 March: More than a dozen people are injured in separate incidents after two trains derail during a storm.^[3]
• 12 June: The Swiss Federal Administration reports a distributed denial of service attack on some of its websites.^[4]
• 16 June: The village of Brienz/Brinzauls in Grisons, is narrowly missed by an overnight 2 million m³ (71 million cu ft) rockslide. The village of 128 residents had been evacuated in May after scientists predicted the imminent rockslide.^[5]
• 17 June: Seven people are injured after a hot air balloon catches fire in Zug.^[6]
• 11 August: The Gotthard Base Tunnel is closed for at least six days after a freight train derails in the tunnel.^[7]

• 22 October: 2023 Swiss federal election: Voters in Switzerland elect the members of the country's Federal Assembly.^[8]
• 29 October: The National Council of Switzerland votes 151–29 to approve a ban on full-face coverings, such as burqas worn by Muslim women. Violators of the ban could face a fine of up to 1,000 Swiss francs.^[9]
• 11 December: Two people are killed and another person is wounded in a shooting in Sion. Swiss police says the suspect is in custody.^[10]

• 76th Locarno Film Festival August 2 – 12^[11]

• 11–16 July – 2023 World Orienteering Championships in Graubunden^[12]
• 1–12 August – 2023 IFSC Climbing World Championships^[13]
• UEFA Euro 2024 qualifying Group I
• 2022–23 in Swiss football

• 2022–23 Swiss Promotion League
• 2022–23 Swiss Challenge League
• 2022–23 Swiss Super League
• 2022–23 Swiss Women's Super League
• 2022–23 Swiss Cup

• 4 January – Anton Schnider, 86, footballer (BSC Young Boys, FC Grenchen, national team)^[14]
• 7 January – Walter Intemann, 78, Swiss-born Austrian businessman and politician^[15]
• 9 January – K. Alex Müller, 95, physicist, Nobel Prize laureate (1987)^[16]
• 16 January – Mousse Boulanger, 96, writer and journalist^[17]
• 26 January – Edgar Schein, 94, Swiss-born American business theorist and psychologist^[18]
• 28 January – Max Huwyler, 91, Swiss writer^[19]
• 30 January – Donald M. Hess, 86, winemaker and art collector^[20]
• 2 February – Peter Facklam, 92, politician, member of the Executive Council of Basel-Stadt (1980–1992)^[21]
• 15 February – Gilbert Rist, 84, educator^[22]
• 23 February – François Couchepin, 88, lawyer and politician, chancellor (1991–1999)^[23]
• 7 March – André Haefliger, 93, mathematician (Haefliger structure)^[24]
• 8 March – Roland Hürzeler, 77, Olympic gymnast (1968)^[25]
• 23 March – Peter Marti, 70, footballer (Zürich, Basel, national team)^[26]
• 24 March – Marcel Blanc, 88, politician, Vaud state councillor (1978–1991)^[27]
• 28 March – Theodor Otto Diener, 102, Swiss-American plant pathologist, discoverer of viroids
• 7 April – Elisabeth Kopp, 86, politician, member of the Swiss Federal Council and minister of justice and police (1984–1989)^[28]
• 9 April – Roberto Frigerio, 84, footballer (Basel, Bellinzona, national team)^[29]
• 13 April – Eberhard W. Kornfeld, 99, auctioneer, author, and art dealer^[30]
• 25 April – Hanna Johansen, 83, German-born Swiss writer (7×7 Tales of a Sevensleeper)^[31]
• 26 April – Maja Hug, 95, Olympic figure skater.^[32]
• 2 May – Heidy Forster, 92, Swiss-German actress (Hinter den sieben Gleisen, The Roaring Fifties, The Foster Boy)^[33]
• 7 May – Peter Zeindler, 89, journalist, writer, and playwright^[34]
• 22 May – Michael E. Dreher, 79, politician, MP (1987–1999)^[35]
• 24 May – Tina Turner, 83, American-born singer ("River Deep – Mountain High", "What's Love Got to Do with It") and actress (Mad Max Beyond Thunderdome), 8-time Grammy winner.^[36]
• 31 May – Kurt Widmer, 82, baritone and voice teacher (City of Basel Music Academy)^[37]
• 6 June – Peter Henrici, 95, Roman Catholic prelate and philosopher, auxiliary bishop of Chur (1993–2007)
• 10 June – Hans Mössmer, 91, Olympic ice hockey player.^[38]
• 11 June – Jean Wicki, 89, bobsledder, Olympic champion (1972)^[39]
• 13 June – Philippe Borer, 68, violinist^[40]
• 16 June – Gino Mäder, 26, Olympic road cyclist (2020)^[41]
• 27 June – Peter Bieri, 79, writer and philosopher^[42]
• 10 July – Christine Hug, 41–42, lieutenant colonel
• 14 July – Albert Eschenmoser, 97, organic chemist (Eschenmoser's salt, Eschenmoser fragmentation, Eschenmoser sulfide contraction)^[43]
• 19 July – Silvana Lattmann, 104, Italian-Swiss poet and author^[44]
• 20 July – Arnaud Bédat, 58, journalist (L'Illustré) and author^[45]
• 1 August – Alfred Roch, 98, Olympic cross-country skier.^[46]
• 2 August – Laurence Deonna, 86, journalist^[47]
• 4 August – Andreas Däscher, 96, four-time Olympic ski jumper^[48]
• 9 August – Dionys Baeriswyl, 79, theoretical physicist^[49]
• 15 August – Ursula Cantieni, 75, Swiss-German actress (Die Fallers – Die SWR Schwarzwaldserie)^[50]
• 19 August – Hans Rudolf Gysin, 82, politician, member of the National Council (1987–2011)^[51]
• 22 August –
  • Martin Laciga, 48, Olympic beach volleyball player (2000, 2004)^[52]
  • Nicolas Gessner, 92, theatre and film director and screen writer.^[53]
• 12 September – Kurt Raaflaub, 82, academic and historian^[54]
• 9 October – Simone Chapuis-Bischof, 92, women's rights activist^[55]
• 10 October – Willy Pfund, 84, politician, member of the National Council (1983–1987).
• 11 October – Rainer Gut, 91, bank manager, chairman of Credit Suisse (1983–2000).^[56]
• 5 November – Susi Eppenberger, 92, politician, MP (1979–1991).^[57]
• 7 November – Werner Carobbio, 86, politician, member of the National Council (1975–1999).^[58]
• 15 November – Anna Felder, 85, writer^[59]
• 21 November – Georges Perroud, 82, footballer (Sion, Servette, national team).^[60]
• 22 November – François Musy, 68, Swiss-born French sound engineer (First Name: Carmen, Marguerite, Lost Illusions).^[61]
• 1 December – Heinz Gstrein, 81, Austrian-Swiss Oriental Orthodox theologian, foreign correspondent, and lecturer (University of Vienna).^[62]
• 3 December – Léonard Gianadda, 88, journalist (TSR), engineer, and philanthropist^[63]
• 8 December –
  • Michel Dovaz, 95, wine critic (Guide Hachette des Vins) and food writer^[64]
  • Jean-Pierre Moulin, 101, journalist (Le Matin), writer and author^[65]
• 9 December – Walter Leiser, 92, rower, Olympic silver medalist (1952)^[66]
• 10 December – Mark Villiger, 73, judge, justice of the European Court of Human Rights (2006–2015).^[67]
• 20 December – Gaston Häni, 72, Swiss clown^[68]
• 26 December – Lesley McNaught-Mändli, 59, British-born Swiss show jumper, Olympic silver medallist (2000).^[69]
• 28 December – Dick Marty, 78, politician, member of the Council of States (1995–2011).^[70]