István Péni (born 14 February 1997) is a Hungarian sport shooter. He won a bronze medal in boys' 10 m air rifle shooting, and also shared a top prize with Egypt's Hadir Mekhimar in the mixed international rifle team at the 2014 Summer Youth Olympics in Nanjing, China. Peni is also a member of the shooting team at Újpesti Sports Club (Hungarian: Újpesti Torna Egylet) in Budapest under his personal coach József Tóth and Edit Kissné Oroszi.