List of Famous people born in Piacenza, Italy

Ettore Boiardi, better known by the Anglicized name Hector Boyardee, was an Italian-American chef, famous for his eponymous brand of food products, named Chef Boyardee.

Simone Inzaghi is an Italian professional football manager and former player. He is currently managing in Serie A at Lazio.

Luigi Poggi was an Italian prelate of the Catholic Church who worked in the diplomatic service of the Holy See from 1946 to 1994, as an archbishop and apostolic nuncio from 1965. After serving as nuncio in several African countries and Peru, he became the Vatican's principal emissary to the Communist countries of Eastern Europe as Popes Paul VI and John Paul II sought renewed engagement with that region. He became a cardinal in 1994. He ended his career in Rome, as Apostolic Nuncio to Italy and then as head of the Vatican Secret Archives and the Vatican Library.

Manfredo Manfredi was an Italian architect.

Giulio Maria della Somaglia was an Italian cardinal. He was — at least in his later life — a staunch zelante cardinal who, as Secretary of State under Pope Leo XII, helped enforce an authoritarian regime in the crumbling Papal States.

Antonino Votto was an Italian operatic conductor and vocal coach. Votto developed an extensive discography with the Teatro alla Scala in Milan during the 1950s, when EMI produced the bulk of its studio recordings featuring Maria Callas. Though Votto was a dependable conductor, critics frequently faulted his recordings for their lack of emotional immediacy. This may have been an occupational hazard of working in the studio, as his live sets with Callas, including a Norma and La sonnambula are considered to be great performances. Among his pupil was soprano Claudia Pinza Bozzolla.

Giovanni Battista Nasalli Rocca di Corneliano was an Italian Cardinal of the Catholic Church. He served as archbishop of Bologna from 1921 until his death, and was elevated to the cardinalate in 1923.

Mario Nasalli Rocca di Corneliano was an Italian Cardinal of the Catholic Church. He served as Prefect of the Apostolic Palace from 1967 until his death, and was elevated to the cardinalate in 1969.

Louis I was the first of the two kings of Etruria. Louis was the son of Ferdinand, Duke of Parma, and Maria Amalia of Austria. He was born in 1773, when his great-grandfather, King Louis XV of France, was still alive.