| Monticelli d'Onina | |
| Official Name: | Comune di Monticelli d'Onina |
| Coordinates: | 45.0833°N 65°W |
| Region: | Emilia-Romagna |
| Province: | Piacenza (PC) |
| Frazioni: | Borgonovo, Fogarole, Isola Serafini, Olza, San Nazzaro, San Pietro in Corte |
| Mayor: | Sergio Montanari |
| Area Total Km2: | 46.4 |
| Population Footnotes: | [1] |
| Population Total: | 6990 |
| Population As Of: | 30 November 2017 |
| Population Demonym: | Monticellesi |
| Elevation M: | 40 |
| Postal Code: | 694202 |
| Area Code: | 0523 |
Monticelli d'Onina (egl|label=[[Piacentino dialect|Piacentino]]|Muntṡéi pronounced as /muŋtˈzeːi/) is a comune (municipality) in the Province of Piacenza in the Italian region Emilia-Romagna, located about 130km (80miles) northwest of Bologna and about 20km (10miles) east of Piacenza.
Monticelli d'Onina borders the following municipalities: Caorso, Castelnuovo Bocca d'Adda, Castelvetro Piacentino, Cremona, Crotta d'Adda, San Pietro in Cerro, Spinadesco, Villanova sull'Arda.
Sights include the rocca (a 15th-century fortress built by Rolando Pallavicino), now housing an ethnographical museum, and the Abbey Basilica.
Natives of Monticelli d'Onina include the composer Amilcare Zanella.[2]