List of Famous people named Pier

Pier Luigi Mazzoni was the Roman Catholic archbishop of the Roman Catholic Archdiocese of Gaeta, Italy.

Pier Francesco Ferrero (1510–1566) was an Italian Roman Catholic abbot, bishop and cardinal.

Pier Luigi Celata is an Italian prelate of the Catholic Church who from July 2012 to December 2014 was Vice Camerlengo of the Holy Roman Church. He spent much of his career in the diplomatic service of the Holy See. He became an archbishop in 1986 and from 1986 to 2002 was Apostolic Nuncio to several countries.

Pier Paolo Calzolari is an Italian artist who was originally associated with Arte Povera. He currently lives in Lisbon (Portugal).

Pier Miranda Ferraro was an Italian operatic tenor who had an active international opera career from 1951 through 1981. He particularly excelled in the dramatic Italian repertoire with his signature role being the title role in Giuseppe Verdi's opera Otello. Other important roles in his performance repertoire included Radames in Verdi's Aida, Alvaro in La Forza del Destino, and des Grieux in Giacomo Puccini's Manon Lescaut. He also found success in the German repertoire portraying Wagnerian heroes. Although he was a gifted singer and had a highly impressive list of performance credits, he never achieved the international recognition enjoyed by his most important contemporaries, such as Franco Corelli or Mario Del Monaco. After retiring from the opera stage in 1981 he took up a second highly successful career as a voice teacher.

Pier Donato Cesi, iuniore was an Italian Catholic Cardinal. He is sometimes referred to as Pier Donato Cesi, iuniore (junior) to differentiate between him and his predecessor Pier Donato Cesi seniore (1521–1586).