| Official Name: | Lashkajan-e Olya |
| Native Name: | لشكاجان عليا |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Gilan |
| Subdivision Type2: | County |
| Subdivision Name2: | Rudsar |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Central |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Reza Mahalleh |
| Population As Of: | 2006 |
| Population Total: | 323 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 37.0925°N 50.2867°W |
Lashkajan-e Olya (Persian: لشكاجان عليا, also Romanized as Lashkājān-e ‘Olyā; also known as Lashkājān and Lashkājān-e Bālā) is a village in Reza Mahalleh Rural District, in the Central District of Rudsar County, Gilan Province, Iran. At the 2006 census, its population was 323, in 107 families.