Pietro Vidoni (8 November 1610 – 5 January 1681) was an Italian cardinal who served from 1652 to 1660 as the papal legate and nuncio to Poland.
[2] During the pontificate of Pope Urban VIII, Vidoni was appointed as the governor of Rimini, Tivoli, Sabina, Orvieto and Spoleto.
On 30 May 1652, Vidoni was appointed Apostolic Nuncio from Pope Innocent X to King John II Casimir Vasa of Poland, a position he held until his elevation to Cardinal in 1660.
Returning to Italy, he was elevated to cardinal by pope Alexander VII, in the consistory of 5 April 1660.
He died in Rome on 5 January 1681 and was buried in the basilica of Santa Maria della Vittoria.