IBL

IBL may refer to:

Technology

 * International Brain Laboratory, a collaborative research group in neuroscience
 * Image-based lighting, an image rendering technique
 * Inbred backcross lines, a breeding technique
 * InBound Links, a metric used by search engines
 * Instance-based learning, a family of machine learning algorithms (e.g. KNN, PEL-C, IBL-1, IBL-2 and IBL-3)
 * Indigo Bay Lodge Airport, an airport in Mozambique (IATA code IBL)
 * Ion beam lithography, a microfabrication technique

Sports

 * Indonesian Basketball League, formerly called the National Basketball League
 * Indian Badminton League
 * Intercounty Baseball League, a baseball league in Canada
 * International Basketball League (1999–2001), basketball league in the United States
 * International Basketball League (2005–2014), a basketball league in the United States
 * Italian Baseball League
 * Israel Baseball League

Other

 * In before lock, an Internet slang
 * Inquiry-based learning, a teaching method
 * International Brotherhood of Longshoremen, a labor union in North America
 * Industrial Bus Lines, an American bus company