Bastøy Lighthouse
| Location | Horten, Vestfold, Norway |
|---|---|
| Coordinates | 59°23′11″N 10°32′14″E / 59.386413°N 10.537095°E |
| Tower | |
| Constructed | 1840 (first) 1918 (second) |
| Construction | stone tower (second) metal pole (current) |
| Automated | 1986 |
| Height | 14 metres (46 ft) (second) |
| Shape | square tower with balcony and lantern (second) light pole (current) |
| Markings | white tower, red lantern (second) |
| Operator | Kriminalomsorgen |
| Light | |
| First lit | 1986 (current) |
| Deactivated | 1986 (second) |
| Focal height | 13 metres (43 ft) (current) |
| Characteristic | Oc(3) R 10s |
Bastøy Lighthouse (Norwegian: Bastøy fyr) is a coastal lighthouse in Horten Municipality in Vestfold county, Norway. It is located on the island of Bastøy in the Oslofjorden, about 4 kilometres (2.5 mi) southeast of the town of Horten. It was established in 1840 and originally consisted of a stone house with a low tower. It was replaced by an automated light in 1986.