OBA

Oba or OBA may refer to:

Science, technology, business, management

• Office Business Applications, software which uses applications within the Microsoft Office system
• On base average, a baseball statistic
• Online Behavioral Advertising, a range of technologies and techniques used by online website publishers and advertisers
• Optical Brightening Agent, a type of dye used in fabric and paper
• Output-based aid, a type of aid to support the delivery of public services in developing countries
• Out-of-band agreement, in communications
• Oxygen Breathing Apparatus, an oxygen supply system used by the US Navy for firefighting

Organisations and institutions

• Oklahoma Bible Academy, a Christian secondary institution in Enid, Oklahoma, U.S.
• Oklahoma Bankers Association, a trade association in Oklahoma, U.S.
• Oklahoma Bar Association, the state bar (legal association) of Oklahoma, U.S.
• One Bermuda Alliance, a Bermuda political party
• Only Boys Aloud, Welsh male voice choir
• Ontario Bar Association
• Openbare Bibliotheek Amsterdam, the public library of Amsterdam
• Ormiston Bolingbroke Academy, a school in Runcorn, England

People

• Oba (ruler), a Yoruba title for Kings and Royals
• Oba of Benin
• Ōba, a Japanese surname
• Oba Chandler (19462011), an American murderer executed in 2011
• Oba Femi, a Nigerian-born professional wrestler signed with WWE

Places

• Oba, Ontario a remote hamlet in Ontario, Canada
• Oba Island, in Vanuatu
• Oba-Igbomina, a town in Nigeria
• Oba, Anambra, a town in Anambra State, Nigeria
• Oba River, a river in Nigeria
• Orange Beach, Alabama
• Oba, Indonesia - that part of the administered area of the town of Tidore lying on Halmahera Island
• Oba Market, Historical market at Ring Road in Edo State, Nigeria

Other

• ', a 2011 Japanese film
• Oba (orisha), a Yoruba deity prominent in various African traditional religions and Afro-American religions
• One Big Beautiful Bill Act, a U.S. bill commonly abbreviated as OBBBA