The Roman Catholic Diocese of Uíje (Latin: Dioecesis Uiiensis) is a diocese located in Uíje in the Ecclesiastical province of Malanje in Angola.
The Cathedral of the diocese is Sé Catedral de Nossa Senhora da Conceição (Cathedral Church of the Conception of Our Lady) in Uije .
Coordinates: 7°36′44″S 15°03′07″E / 7.6122°S 15.0520°E