Ngalia, Ngaliya or Ngalea may refer to:
- Ngalia (Western Desert), an Aboriginal people of the Western Desert in Western Australia and South Australia
- Ngalia (Ngalea or Ooldean), a dialect of the Western Desert language
- Ngalia (Northern Territory), an Aboriginal Australian people of the Northern Territory
- Ngaliya, a dialect of the Warlpiri language
- Ngalia Basin, a sedimentary basin in central Australia
See also
edit- Mantjintjarra Ngalia, a union of the Western Desert Ngalia and Mantjintjarra