Twelve Mile or Twelvemile may refer to: Twelve Mile, Indiana, an unincorporated community Twelvemile, Missouri, an unincorporated community Twelve Mile Circle, part of the Pennsylvania–Delaware boundary Twelve Mile Township in Williams County, North Dakota, USA Twelve Mile Lake Township in Emmet County, Iowa, USA Twelvemile Township, Madison County, Missouri Twelve Mile, New South Wales, Australia Twelve Mile Creek, New South Wales, Australia A twelve nautical mile territorial waters limit See also Twelve Mile Creek (disambiguation)