Pietro di Miso (died 17 September 1174) was Italian cardinal. He was elevated to the cardinalate by Pope Adrian IV in the consistory of February 1158.^[1] Initially he was cardinal-deacon of S. Eustachio, but in 1166 he was promoted to the order of cardinal-priests and received titulus San Lorenzo in Damaso. After the double papal election in 1159 he supported the obedience of Pope Alexander III and served as his legate in Hungary. He concluded a concordat with Géza II of Hungary in 1161.^[2] He signed the papal bulls between 24 April 1158 and 17 July 1174.^[3]