| Official Name: | Ilgininkai |
| Settlement Type: | Village |
| Pushpin Map: | Varėna District Municipality#Lithuania |
| Pushpin Label Position: | Location in Lithuania |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | County |
| Subdivision Name1: | Alytus County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Varėna |
| Population As Of: | 2001 |
| Population Total: | 161 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 54.2667°N 35°W |
Ilgininkai is a village in Varėna district municipality, in Alytus County, in southeastern Lithuania. According to the 2001 census, the village has a population of 161 people.[1]