High Down may refer to: *

High Down (HM Prison) HM Prison High Down is a Category C men's training / resettlement prison. It is located on the outskirts of Banstead in Surrey, England (overlooking Banstead Downs), and is immediately adjacent to the southern boundary of Belmont in Greater Lo ...

, prison in Surrey, England *

High Down (Isle of Wight) High Down is a chalk down making up the western extent of the ridge that crosses the Isle of Wight, England, and overlooking The Needles rock stacks. It includes Tennyson Down. The Needles Batteries and the Rocket Launching site are located o ...

, area of downland on Isle of Wight, England * High Down Rocket Test Site preserved site, Isle of Wight, England

See also