| Jurisdiction: | Diocese |
| Amos | |
| Latin: | Dioecesis Amosensis |
| Local: | Diocèse d'Amos |
| Coat: | File:Diocese_of_Amos.jpg |
| Coat Size: | 200px |
| Coat Caption: | Coat of Arms |
| Country: |  Canada |
| Province: | Gatineau |
| Catholics: | 89,000 |
| Catholics Percent: | 79.7 |
| Parishes: | 58 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman Rite |
| Established: | December 3, 1938 |
| Cathedral: | Cathédrale Ste-Thérese d'Avila |
| Patron: | Teresa of Avila |
| Bishop: | Joseph Ferdinand Guy Boulanger |
| Metro Archbishop: | Paul-André Durocher |
| Emeritus Bishops: | Gilles Lemay Eugène Tremblay |
| Map: | Bistum Amos.svg |
The Diocese of Amos (French: Diocèse d'Amos, Latin: Dioecesis Amosensis) is a Latin Church ecclesiastical territory or diocese of the Catholic Church that covers part of the Province of Quebec. The diocese was erected by Pope Pius XI on December 3, 1938. Joseph-Aldée Desmarais was named its first bishop on June 20, 1939 by Pope Pius XII. It has a total area of 127237sqmi and a total population of 115,000.[1]
The diocese was headed by Gilles Lemay, formerly an auxiliary bishop of the Archdiocese of Quebec, until his resignation on September 16, 2023, upon reaching the mandatory retirement age for bishops of 75. The Diocese of Amos is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Gatineau.
The diocese has 35 priests, 47 Religious Sisters,[2] and 91,600 Catholics (2012).