Omaha or Ōmaha is a name applied to various features in the Mahurangi region of New Zealand. Designated areas Omaha Ecological Area, part of the Ōmaha Forest and covering Mount Tamahunga Ōmaha Scenic Reserve, scenic reserve at the foothills of Mount Tamahunga Ōmaha Tāniko Wetlands Scientific Reserve, scientific reserve adjacent to Omaha Beach Omaha Road District, area governed by the Omaha Road Board, name used for a wider area and was used for local sports clubs

Settlements Big Ōmaha, locality between Matakana and Leigh Leigh, formerly known as Little Omaha Ōmaha, also called Ōmaha Beach, developed in the 1970s. Originally known as just Mangatawhiri (as part of the larger area known as Mangatawhiri) Ōmaha Flats, a rural locality east of Matakana

Natural features Little Omaha Bay, small bay by the Omaha sandspit Omaha Bay, large bay in the Hauraki Gulf, also known as Big Omaha Bay to distinguish it from Little Omaha Bay Ōmaha Beach, beach in Little Omaha Bay Omaha Cove, cove near Leigh Ōmaha Forest, forest in the hinterland of the Mahurangi region Ōmaha River, river that flows from Pukematakeo into the Whangateau Harbour