| Official Name: | Balendar |
| Native Name: | بالندر |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Razavi Khorasan |
| Subdivision Type2: | County |
| Subdivision Name2: | Mashhad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Ahmadabad |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Sarjam |
| Population As Of: | 2006 |
| Population Total: | 264 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 36.1392°N 59.4739°W |
Balendar (Persian: بالندر, also Romanized as Bālendar and Bālandar; also known as Kalāteh-ye Bālandar and Qal‘eh Balandar) is a village in Sarjam Rural District, Ahmadabad District, Mashhad County, Razavi Khorasan Province, Iran. At the 2006 census, its population was 264, in 65 families.