BAH or Bah may refer to:Basic Allowance for Housing, a U.S. military privilege given to many military members Bah, a city in Agra district of Uttar Pradesh in India Booz Allen Hamilton, an American management and information technology consulting firm, stock ticker BAH The Bahamas, IOC country code BAH Bahrain, UNDP country code BAH Bahrain International Airport, IATA airport code BAH Bah, in Uttar Pradesh, India Bah (surname), including a list of people with that name Bahamian Creole, ISO 639-3 language code bah BAH domain, in molecular biology