| Official Name: | Viečiūnai Eldership |
| Native Name: | Viečiūnų seniūnija |
| Native Name Lang: | lt |
| Settlement Type: | Eldership |
| Subdivision Type: | Country |
| Subdivision Type1: | Ethnographic region |
| Subdivision Name1: | Dzūkija |
| Subdivision Type2: | County |
| Subdivision Name2: | Alytus County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Druskininkai Municipality |
| Seat Type: | Administrative centre |
| Seat: | Viečiūnai |
| Area Total Km2: | 188 |
| Population Total: | 3998 |
| Population Footnotes: | [1] |
| Population Density Km2: | auto |
| Population As Of: | 2021 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Viečiūnai Eldership (Lithuanian: Viečiūnų seniūnija) is a Lithuanian eldership, located in the eastern part of Druskininkai Municipality.
Viečiūnai Eldership is mostly covered by the Dainava Forest.