IBA

• Clarence Iba (1909-1997), American basketball coach
• Erol Iba (born 1979), Indonesian footballer
• Henry Iba (1904-1993), American basketball coach
• Moe Iba (born 1939), American basketball coach
• Itsuki Iba, a fictional character in the Japanese light novel series Rental Magica

• Iba, Osun State, town in Nigeria
• Iba, Zambales, municipality in Zambales, Philippines

:*Roman Catholic Diocese of Iba

• Institute of Business Administration (disambiguation)
• Intercollegiate Biomathematics Alliance
• International Bar Association
• International Bryozoology Association

• Indian Banks' Association
• International Bank of Asia, a defunct bank in Hong Kong, now Fubon Bank
• International Bank of Azerbaijan

• Independent Broadcasting Authority, a defunct regulatory body in the United Kingdom
• Israel Broadcasting Authority, the former Israeli public broadcaster

• International Basketball Association
• International Bodyboarding Association
• International Boxing Association
• ÍB Akureyri, former Icelandic sports club, abbreviated ÍBA
• Iron Butt Association

• Inquilinos Boricuas en Acción, Boston community development organization
• International Bartenders Association
• International Association for Bear Research and Management, sometimes shortened to the International Bear Association
• International Buddhist Academy

• Ion Beam Applications, solutions for the diagnosis and treatment of cancer
• AAPG Imperial Barrel Award Program
• iBooks Author, iPad ebook authoring software (usually iBA), IBA can also refer to its file format
• Important Bird Area
• Incinerator bottom ash
• Indole-3-butyric acid, auxin, a plant rooting hormone
• InfiniBand Architecture
• Interceptor Body Armor
• Interest-based advertising
• Internationale Bauausstellung
• Ion beam analysis, a set of analytical techniques involving the use of ion beams
• Isobutyl alcohol, an organic solvent

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