| Färingsö | |
| Nickname: | --> |
| Coordinates: | 59.3833°N 55°W |
| Location: | Mälaren |
| Area Km2: | 82.02 |
| Country: | Sweden |
| Country Admin Divisions Title: | Province |
| Country Admin Divisions Title 1: | County |
| Country Admin Divisions 1: | Stockholm |
| Country Admin Divisions Title 2: | Municipality |
| Country Admin Divisions 2: | Ekerö |
Färingsö or Svartsjölandet is an island in Sweden's Lake Mälaren. It covers an area of 82.02 km2. The island is a part of Ekerö Municipality. The largest village on the island is Stenhamra. The island is also named after the village of Svartsjö.