| Šumskas | |
| Other Name: | Szumsk |
| Settlement Type: | Town |
| Pushpin Map: | Lithuania |
| Pushpin Map Caption: | Location of Šumskas |
| Coordinates: | 54.6111°N 25.7222°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Ethnographic region |
| Subdivision Name1: | Aukštaitija |
| Subdivision Type2: | County |
| Subdivision Name2: | Vilnius County |
| Subdivision Type3: | Municipality |
| Subdivision Name3: | Vilnius District Municipality |
| Subdivision Type4: | Eldership |
| Subdivision Name4: | Kalveliai Eldership |
| Population Total: | 765 |
| Population As Of: | 2021 |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
Šumskas (pl|Szumsk or Szumsk Wileński,[1] yi|שומסקאַס[2] ru|Шумск (historical)) is a town in Vilnius District Municipality, in Vilnius County, in southeast Lithuania. According to the 2011 census, the town has a population of 919 people.[3]