Péter Nagy (born 16 January 1986 in Komárom, Hungary) is a Hungarian weightlifter. He competed at the 2012 Summer Olympics in the +105 kg event. Nagy won a bronze medal in the +105 kg snatch at the 2012 European Weightlifting Championships and a gold medal at the 2011 Summer Universiade (he was second after the competition but received the gold when Mohamed Masoud was disqualified).