| Official Name: | Kalateh-ye Fathabad-e Sharqi |
| Native Name: | كلاته فتح ابادشرقي |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Quchan |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sudlaneh |
| Population As Of: | 2006 |
| Population Total: | 64 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.0175°N 58.5994°W |
Kalateh-ye Fathabad-e Sharqi (Persian: كلاته فتح ابادشرقي, also Romanized as Kalāteh-ye Fatḩābād-e Sharqī; also known as Fatḩābād) is a village in Sudlaneh Rural District, in the Central District of Quchan County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 64, in 13 families.