Jonas Furrer (March 3, 1805 – July 25, 1861) was a Swiss politician and member of the Swiss Federal Council (1848–1861). He was affiliated to the Radical Party.
He was elected to the Federal Council on November 16, 1848 as one of the seven initial members.
During his office time he held the following departments:
- Political Department (1848–1849)
- Department of Justice and Police (1850–1851)
- Political Department (1852)
- Department of Justice and Police (1853–1854)
- Political Department (1855)
- Department of Justice and Police (1856–1857)
- Political Department (1858)
- Department of Justice and Police (1859–1861)
and he was the first president of the Confederation from November 21, 1848 to December 31, 1849 and later again in 1852, 1855 and 1858.
Previously he had been president of the diet from April 2, 1845 to December 31, 1845.
Furrer died in office on July 25, 1861.