Southdown may refer to: * Southdown (sheep), a breed of sheep * Southdown, Cornwall, England * Southdown, a suburb of

Harpenden Harpenden () is a town and civil parish in the City and District of St Albans in the county of Hertfordshire, England. The population of the built-up area was 30,240 in the 2011 census, whilst the population of the civil parish was 29,448. Har ...

, Hertfordshire, England *

Southdown, New Zealand Southdown is an industrial suburb of Auckland, New Zealand. The main company in the suburb was the former Southdown Freezing Works, part of a large industrial zone located near the North Island Main Trunk railway line. The buildings were decommi ...

, a suburb of Auckland * Southdown Motor Services, a former bus company based in Sussex, England * Southdown Power Station, a power station in Auckland * Southdown, a cement company acquired by Cemex

See also