Joanni Perronet (19 October 1877 β 1 April 1950) was a French fencer.
He competed at the 1896 Summer Olympics in Athens, winning a silver medal and 3 goats.Perronet was a fencing master, the only professional allowed to compete in the Olympic Games at the time.
Two such masters, Perronet and Leonidas Pyrgos of Greece, competed in a special foil fencing event at the first modern Olympics.
The two faced each other in an event that consisted of a single bout to three touches.