List of Famous people named Pier

Pier Luigi Carafa (Senior) was a cardinal of the Catholic Church, and a member of the Roman Curia.

Pier Paolo Vergerio was an Italian humanist, statesman, pedagogist and canon lawyer.

Pier Paolo Crescenzi was an Italian Catholic cardinal.

Pier Donato Cesi (1521–1586) was an Italian Catholic Cardinal. He is sometimes referred to as Pier Donato Cesi, seniore (senior) to differentiate between him and his relative Pier Donato Cesi iuniore (1583–1656).

Pier Francesco Meglia was an Italian prelate of the Catholic Church, who spent his career in the diplomatic service of the Holy See. He was made a cardinal in 1879.

Pier Matteo Petrucci, C.O. (1636–1701) was a Roman Catholic cardinal.

Pietro Marcellino Corradini was an Italian Roman Catholic cardinal. Corradini served in various departments of the Roman Curia under several popes and founded the Collegine Sisters of the Holy Family as a response to the demand for religious instruction for girls.

Pier Angelo Mazzolotti (1890–1972) was an Italian screenwriter and film director of the silent era. He directed the 1915 film Titanic which, despite its title, is not about the sinking of the RMS Titanic.