| Gaziantep Subregion | |
| Native Name: | Gaziantep Alt Bölgesi |
| Native Name Lang: | tr |
| Settlement Type: | Subregion |
| Subdivision Type: | Country |
| Subdivision Name: | Turkey |
| Subdivision Type1: | Region |
| Subdivision Name1: | Southeast Anatolia |
| Area Total Km2: | 16,135 |
| Population Total: | 2,570,208 |
| Population As Of: | 2013 |
| Population Density Km2: | auto |
| Population Rank: | 13th |
| Population Urban: | 2,311,261 |
| Population Rural: | 258,947 |
The Gaziantep Subregion (Turkish: Gaziantep Alt Bölgesi) (TRC1) is a statistical subregion in Turkey.