Roman Catholic Diocese of Xuân Lộc

{{Short description|Roman Catholic diocese in Vietnam}}

{{Infobox diocese

| jurisdiction = Diocese

| name = Xuân Lộc

| latin = Dioecesis Xuanlocensis

| local = Giáo phận Xuân Lộc

| image = Nhà thờ Chính tòa Giáo phận Xuân Lộc.jpg

| image_size =

| image_alt =

| caption = Cathedral of Xuân Lộc

| coat =

| coat_size =

| coat_alt =

| coat_caption =

| flag =

| flag_size =

| flag_alt =

| country = Vietnam

| territory =

| province = Saigon

| metropolitan =

| deaneries =

| headquarters =

| coordinates = {{coord|display=title,inline}}

| area_km2 = 5,965

| area_sqmi =

| area_footnotes =

| population = 3,910,000

| population_as_of = 2022

| catholics = 1,073,179

| catholics_percent = 27.4

| parishes = 277

| churches =

| congregations =

| schools =

| members =

| denomination = Catholic

| sui_iuris_church = Latin Church

| rite = Roman Rite

| established = 14 October 1965

| dissolved =

| cathedral = Christ the King in Long Khánh

| cocathedral =

| patron = Saint Joseph

| patron_title =

| priests = 465

| pope = {{Incumbent pope}}

| bishop = John Đỗ Văn Ngân

| bishop_title =

| metro_archbishop = Joseph Nguyễn Năng

| coadjutor =

| suffragans =

| auxiliary_bishops = Dominic Nguyễn Tuấn Anh

| apostolic_admin =

| vicar_general =

| episcopal_vicar =

| judicial_vicar =

| archdeacons =

| emeritus_bishops = Joseph Đinh Đức Đạo
Dominique Nguyễn Chu Trinh

| map =

| map_size =

| map_alt =

| map_caption =

| website = {{Official website|http://giaophanxuanloc.net/|giaophanxuanloc.net}}

| footnotes =

}}

The Roman Catholic Diocese of Xuân Lộc ({{langx|la|Dioecesis Xuanlocensis}}) is a suffragan Latin diocese in the ecclesiastical province of the Archdiocese of Saigon in southern Vietnam, yet depends on the missionary Dicastery for Evangelization.

Its cathedral episcopal see is Cathedral of Christ the King (Nhà thờ Chính toà Chúa Giêsu Vua), dedicated to Christ the King, in Long Khánh, Đồng Nai, Southeastern Vietnam. The bishop, since January 16, 2021, is John Đỗ Văn Ngân.