| Location: | Horten, Vestfold, Norway |
| Coordinates: | 59.3864°N 10.5371°W |
| Yearbuilt: | 1840 (first) 1918 (second) |
| Yearlit: | 1986 (current) |
| Automated: | 1986 |
| Yeardeactivated: | 1986 (second) |
| Construction: | stone tower (second) metal pole (current) |
| Shape: | square tower with balcony and lantern (second) light pole (current) |
| Marking: | white tower, red lantern (second) |
| Height: | 14m (46feet) (second) |
| Focalheight: | 13m (43feet) (current) |
| Managingagent: | Kriminalomsorgen[1] |
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 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.[2] [3]