| Official Name: | Andrioniškis |
| Settlement Type: | Town |
| Pushpin Map: | Lithuania |
| Pushpin Label Position: | Location in Lithuania |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | County |
| Subdivision Name1: | Utena County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Anykščiai |
| Population As Of: | 2011 |
| Population Total: | 229 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Coordinates: | 55.5972°N 25.0444°W |
Andrioniškis is a town in Anykščiai District Municipality, in Utena County, in northeast Lithuania. According to the 2011 census, the town has a population of 229 people.[1] Town established near Šventoji River. Andrioniškis name first time mentioned in 1672.
Domicėlė Tarabildienė, a graphical artist, was born in Andrioniškis in 1912.[2]