| Kayseri Subregion | |
| Native Name: | Kayseri Alt Bölgesi |
| Native Name Lang: | tr |
| Settlement Type: | Subregion |
| Subdivision Type: | Country |
| Subdivision Name: | Turkey |
| Subdivision Type1: | Region |
| Subdivision Name1: | Central Anatolia |
| Area Total Km2: | 59,528 |
| Population Total: | 2,363,390 |
| Population As Of: | 2013 |
| Population Density Km2: | auto |
| Population Rank: | 15th |
| Population Urban: | 1,999,389 |
| Population Rural: | 364,001 |
The Kayseri Subregion (Turkish: Kayseri Alt Bölgesi) (TR72) is a statistical subregion in Turkey. It is also the largest subregion in Turkey by area.