| Official Name: | Semeniškiai |
| Settlement Type: | Village |
| Pushpin Map: | Lithuania |
| Pushpin Label Position: | Location in Lithuania |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | County |
| Subdivision Name1: | Vilnius County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Širvintos District Municipality |
| Population As Of: | 2011 |
| Population Total: | 5 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 54.8733°N 24.8514°W |
Semeniškiai is a village in Vilnius County, Lithuania. According to the 2011 census, the village has a population of 5 people.[1]