Antoine Louis John Ruchonnet (April 28, 1834 - September 14, 1893) was a Swiss politician.
He was elected to the Federal Council of Switzerland on March 3, 1881 and died in office on September 14, 1893. He was affiliated to the Free Democratic Party of Switzerland. During his office time he held the following departments:
- Department of Trade and Agriculture (1881)
- Department of Justice and Police (1882)
- Political Department (1883)
- Department of Justice and Police (1884 - 1893)
Predecessor: Fridolin Anderwert
Successor: Eugène Ruffy