| Kalai Surkh | |
| Pushpin Map: | Tajikistan |
| Coordinates: | 38.9833°N 87°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Tajikistan |
| Subdivision Type1: | Region |
| Subdivision Name1: | Districts of Republican Subordination |
| Subdivision Type2: | District |
| Subdivision Name2: | Rasht District |
| Population As Of: | 2015 |
| Population Total: | 15,711 |
| Timezone: | TJT |
| Utc Offset: | +5 |
Kalai Surkh (Tajik: Қалъаи Сурх Qal'ai Surkh, Persian: قلعه سرخ ) is a village and jamoat in Tajikistan. It is located in Rasht District, one of the Districts of Republican Subordination. The jamoat has a total population of 15,711 (2015).[1] It consists of 21 villages, including Kalai Surkh (the seat) and Navdonak.[2]