Hilsea railway station is a railway station on Airport Service Road, Hilsea, Portsmouth, England serving the northern end of Portsea Island, including a large industrial estate nearby. The station was once the closest to Portsmouth Airport, which was closed in 1973. It is located on the Portsmouth Direct line which runs between London Waterloo and Portsmouth Harbour. There were extensive sidings at Hilsea during World War II. This railway station is mainly used by commuters who work in nearby Anchorage Park industrial estate. Only stopping trains stop here. The station is unmanned.