| Official Name: | Lalari Yek |
| Native Name: | للري يك |
| Settlement Type: | village |
| Pushpin Map: | Iran |
| Mapsize: | 150px |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Lorestan |
| Subdivision Type2: | County |
| Subdivision Name2: | Khorramabad |
| Subdivision Type3: | Bakhsh |
| Subdivision Name3: | Papi |
| Subdivision Type4: | Rural District |
| Subdivision Name4: | Tang-e Haft |
| Population As Of: | 2006 |
| Population Total: | 103 |
| Population Density Km2: | auto |
| Timezone: | IRST |
| Utc Offset: | +3:30 |
| Timezone Dst: | IRDT |
| Utc Offset Dst: | +4:30 |
| Coordinates: | 33.0333°N 48.55°W |
Lalari Yek (fa|للري يك, also Romanized as Lalarī Yeḵ, meaning "Lalari 1"; also known as Lalarī) is a village in Tang-e Haft Rural District, Papi District, Khorramabad County, Lorestan Province, Iran. At the 2006 census, its population was 103, in 23 families.