Péter Sidi (born 11 September 1978 in Komárom) is a Hungarian sport shooter. He has been world champion in the 50 m rifle 3 positions, as well as winning silver medals in the 300 m rifle prone and the men's 10 metre air rifle. He has also won bronze medals in the 50 metre rifle 3 positions and the 50 m rifle prone team event. He currently holds the qualification world record in 10 m Air Rifle.