Longwood is a settlement and a district of the British island of Saint Helena in the South Atlantic. In 2008 it had a population of 715, compared to a population of 960 in 1998. The area of the district is 33.4 km2. The large district (second only to Blue Hill) includes the settlement of Hutt's Gate, with its St Matthew's church. The district also contains the island's only existing golf course.
The district contains Prosperous Bay Plain, which is where the proposed Saint Helena Airport is to be sited. There is a weather recording station in the Longwood district. Readings of temperature, air pressure and visibility are automatically read and communicated every 3 hours.