Georges-André Chevallaz (7 February 1915 – 8 September 2002) was a Swiss historian, politician and member of the Swiss Federal Council (1974–1983).
Mayor of Lausanne since 1957 and member of the Swiss National Council since 1958, he was elected to the Swiss Federal Council on 5 December 1973 and handed over office on 31 December 1983. He was affiliated to the Free Democratic Party. During his office time he held the following departments:
He was President of the Confederation in 1980.
Chevallaz after retiring from the Federal Council
After retiring from the Federal Council, he presided the foundation of the Historical Dictionary of Switzerland (1988–1992).
- Aspects de l'agriculture vaudoise à la fin de l'Ancien Régime : la terre, le blé, les charges; F. Rouge, Lausanne; (1949) -- thesis
- The challenge of neutrality : diplomacy and the defense of Switzerland; Lexington books, Lanham (translated from Le défi de la neutralité, 2001) ISBN 0-7391-0274-5
- Histoire générale, de 1789 à nos jours; Payot, Lausanne (1st ed., 1957)