OAB is the abbreviation for

  • Osservatorio Astronomico di Brera Observatory
  • Osnabrück shares Brewery
  • The extension " Outlook offline address book" in the Microsoft Outlook software. * oab
  • " Overactive bladder ", a syndrome of overactive bladder
  • A network of filling stations in Bulgaria: Opet Aygaz Bulgaria EAD
  • The organization for academics and public officials
  • The Brazilian Ordem dos Advogados Bar Association do Brasil
  • Disambiguation
  • Abbreviation