The following is a list of events, births, and deaths in 1929 in Switzerland.

• Federal Council:^[1]
  • Giuseppe Motta
  • Edmund Schulthess
  • Jean-Marie Musy
  • Heinrich Häberlin
  • Marcel Pilet-Golaz
  • Robert Haab (President)^[2] then Albert Meyer
  • Karl Scheurer then Rudolf Minger

• July 27
  • Geneva Convention (1929), also known as "Convention relative to the Treatment of Prisoners of War, Geneva July 27, 1929", is signed
  • Geneva Convention for the Amelioration of the Condition of the Wounded and Sick in Armies in the Field (1929) is signed
• The 1929 European Figure Skating Championships take place in Davos.^[3]
• 1928–29 Swiss Serie A
• 1929 UCI Road World Championships took place in Zurich
• 1929–30 Swiss Serie A
• Zürich Zoologischer Garten is established
• St. Moritz Ski School is founded by Giovanni Testa, and is the first official ski school in Switzerland^[4]

• March 25 – Marcel Mauron, footballer (died 2022)
• April 5 – Josef Schraner, cyclist
• May 22 – André Haefliger, mathematician (died 2023)
• 3 June – Werner Arber, microbiologist and geneticist^[5]
• June 20 – Marcel Flückiger, footballer (died 2010)
• July 28 – Werner Vetterli, modern pentathlete (died 2008)
• August 29 – Fausto Lurati, cyclist (died 2015)
• September 16 – Hans Pfenninger, cyclist (died 2009)
• September 19 – Luigi Taveri, motorcycle racer (died 2018)
• October 11 – Liselotte Pulver, actress^[6]
• October 25 – Charles Ribordy, fencer (died 2000)
• October 29 – Ida Schöpfer, skier (died 2014)
• December 6 – Alain Tanner, film director (died 2022)
• Marcel Roethlisberger, art historian (died 2020)
• Paolo Vollmeier, philatelist (died 2017)

• January 9 – Jacques-Louis Reverdin, surgeon (born 1842)
• April 7 – Paul Sarasin, naturalist (born 1856)
• September 14 – John Maria Gatti, theatre manager, restaurateur and businessman (born 1872)
• November 14 – Karl Scheurer, politician (born 1872)^[7]
• Meta von Salis, feminist (born 1855)