IBB

IBB may refer to:

Internet

 * Indiana Business Bulletin, a business-news website
 * Internet Bug Bounty, a Bug bounty program for Internet-related software

Institutes

 * Institute of Bioinformatics and Biotechnology, a scientific research institute in Pune, India
 * Institute of Biochemistry and Biophysics, a research institute in Iran
 * Ibrahim Badamasi Babangida University, university in Nigeria

Cities

 * Ibb (Arabic: إب), a city in Yemen

People

 * Ibrahim Badamasi Babangida, former President of Nigeria

Other

 * Intentional base on balls, a ploy in baseball
 * International Broadcasting Bureau, technical support body for the Voice of America and other US government broadcasting services
 * Istanbul Metropolitan Municipality (İstanbul Büyükşehir Belediyesi), the governing body of Istanbul
 * International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers, a US trade union