Constant Fornerod (May 30, 1819 - November 27, 1899) was a Swiss politician.

He was elected to the Federal Council of Switzerland on July 11, 1855, and handed over office on October 31, 1867. He was affiliated with the Free Democratic Party.

During his time in office he held the following departments:

• Department of Trade and Customs (1855 - 1856)
• Political Department as President of the Confederation (1857)
• Department of Trade and Customs (1858)
• Department of Finance (1859 - 1861)
• Military Department (1862)
• Political Department as President of the Confederation (1863)
• Military Department (1864 - 1866)
• Political Department as President of the Confederation (1867).