| Al-Ba'aj District | |
| Native Name: | Arabic: بعاج |
| Settlement Type: | District |
| Pushpin Label Position: | right |
| Subdivision Type: | Country |
| Subdivision Name: |  Iraq |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Nineveh |
| Seat: | Al-Ba'aj |
| Population As Of: | 2003 |
| Population Total: | 88,401 |
| Timezone: | AST |
| Utc Offset: | +3 |
Al-Ba'aj District (Arabic: بعاج) is a district in Nineveh Governorate, Iraq. Its administrative center is the city of Al-Ba'aj. Other settlements include Qaryat al-Sakar and Al-Jughaifi. The district is predominantly Sunni Arab.