Joachim Heer (September 25, 1825 - March 1, 1879) was a Swiss politician.

He was elected to the Swiss Federal Council on December 10, 1875 and handed over office on December 31, 1878. He was affiliated to the Free Democratic Party of Switzerland. During his office time he held the following departments:

• Department of Posts and Telegraph (1876)
• Political Department (1877)
• Department of Railway and Trade (1878)

He was President of the Confederation in 1877.