| Hemsön | |
| Local Name: | --> |
| Nickname: | --> |
| Coordinates: | 62.7167°N 22°W |
| Location: | Bothnian Sea |
| Area Km2: | 54.39 |
| Country: | Sweden |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Västernorrland |
| Country Admin Divisions Title 2: | Municipality |
Hemsön is an island in the Bothnian Sea, northeast of Härnösand, at the mouth of the Ångerman River. The area is 54 km² and the population is 140 (2006).