| Jurisdiction: | Diocese |
| Colima | |
| Latin: | Dioecesis Colimensis |
| Local: | Diócesis de Colima |
| Country: |  Mexico |
| Metropolitan: | Colima, Colima |
| Province: | Province of Guadalajara |
| Area Sqmi: | 4,399 |
| Population: | 649,739 |
| Population As Of: | 2006 |
| Catholics: | 591,262 |
| Catholics Percent: | 91 |
| Parishes: | 52 |
| Denomination: | Roman Catholic |
| Rite: | Roman Rite |
| Established: | 11 December 1881 (years ago) |
| Cathedral: | Catedral Basílica de Nuestra Señora de Guadalupe |
| Metro Archbishop: | Francisco Robles Ortega |
| Map: | File:Roman Catholic Diocese of Colima in Mexico.jpg |
The Roman Catholic Diocese of Colima (Latin: Dioecesis Colimensis) (erected 11 December 1881) is a suffragan diocese of the Archdiocese of Guadalajara.
On Monday, November 11, 2013, Pope Francis named Bishop Marcelino Hernández Rodríguez, then Bishop of the Roman Catholic Diocese of Orizaba (based in Orizaba, Mexico) as the Bishop of the Roman Catholic Diocese of Colima, replacing the Bishop José Luis Amezcua Melgoza, who submitted his resignation at the age of 75 as is usual.
| Date | Reason | |
|---|---|---|
| 28 January 1961 | to form the Diocese of Autlán | |
| 13 January 1962 | to form the Territorial Prelature of Jesús María (del Nayar) | |
| 30 April 1962 | to form the Diocese of Apatzingan | |
| 25 March 1972 | to form the Diocese of Ciudad Guzmán | |
| 25 March 1972 | to form the Diocese of San Juan de los Lagos |