The acronym OHA may refer to:

  • On hand Always
  • DHS Office of Health Affairs, an office in the United States Department of Homeland Security
  • Oakland Heritage Alliance, a non-profit preservation organization in Oakland, California.
  • Oakland Housing Authority
  • Office of Hawaiian Affairs
  • Office of Hearings and Appeals, within the US Small Business Administration
  • Office of Human Affairs, a Community Action Agency serving the residents of Newport News and Hampton, Virginia.
  • Oklahoma Hospital Association, the state affiliate of the American Hospital Association
  • Omaha Housing Authority, the government agency responsible for providing public housing in Omaha, Nebraska, USA
  • Ontario Hockey Association, which governs most junior and senior hockey in Ontario
  • Ontario Horticultural Association
  • Ontario Hospital Association
  • Open Handset Alliance, a consortium of companies dedicated to producing an open standard for mobile devices.
  • Oral hypoglycemic agents, the majority of anti-diabetic drugs
  • Oral Health America
  • Oregon Health Authority
  • Ormiston Horizon Academy
  • Oral History Association, a professional association for oral historians
  • Overseas housing allowance (United States military)
  • RNZAF Base Ohakea, New Zealand, which uses IATA code OHA

Oha may refer to:

  • Õha, village in Kaarma Parish, Saare County, Estonia
  • Ugo Oha, a Nigerian basketball player
  • Ofe Oha, a Nigerian soup
  • "Oha", a song by Käptn Peng & Die Tentakel von Delphi from the album Die Zähmung der Hydra

See also

  • Okha, Russia, town in Russia