| Karchhana | |
| Settlement Type: | Tehsil (Town) |
| Pushpin Map: | India Uttar Pradesh#India3 |
| Pushpin Map Caption: | Location in India |
| Coordinates: | 25.28°N 81.93°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | District |
| Subdivision Name1: | Prayagraj |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Demographics Type1: | Language |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi[1] |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | Urdu |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 212301 |
| Registration Plate: | UP-70 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 1000:1014 ♂/♀ |
Karchana is a town in Prayagraj district in the Indian state of Uttar Pradesh.[2] The town is administered by a Village panchayat system. Karchana lies in the central part of the Prayagraj district. The town is located 21 km south of Prayagraj, the district headquarters.[3] Karchana is one of eight Tehsils in Prayagraj district.