This section needs expansion with: any historical facts. You can help by adding to it. (October 2016)
The diocese of Piazza Armerina was taken from the diocese of Catania, and was created in 1817. It was then a suffragan of the archdiocese of Siracusa. Its first bishop was Girolamo Aprile e Benso. In 2013, in the diocese of Piazza Armerina there was one priest for every 1,588 Catholics.[citation needed]
Bishops
Girolamo Aprile e Benso † (2 Oct 1818 – 1836 Died)
Pietro Naselli, C.O. † (15 Feb 1838 – 13 Jul 1840 Resigned)
Pier Francesco Brunaccini, O.S.B. † (17 Jun 1844 – 24 Nov 1845) Appointed, Archbishop of Monreale
Cesare Agostino Sajeva † (19 Jan 1846 – 1867 Died)
Saverio Gerbino † (23 Feb 1872 – 14 Mar 1887 Appointed, Bishop of Caltagirone)
Mariano Palermo † (14 Mar 1887 – 9 Feb 1903 Died)
Mario Sturzo † (22 Jun 1903 – 12 Nov 1941 Died)
Antonino Catarella † (10 Jan 1942 – 29 Oct 1970 Retired)
Sebastiano Rosso † (18 Nov 1970 – 8 Jan 1986 Retired)
Vincenzo Cirrincione † (8 Jan 1986 – 12 Feb 2002 Died)
Michele Pennisi (21 Apr 2002 – 8 Feb 2013) Appointed, Archbishop of Monreale