MBL may refer to:

Education

Marine Biological Laboratory The Marine Biological Laboratory (MBL) is an international center for research and education in biological and environmental science. Founded in Woods Hole, Massachusetts, in 1888, the MBL is a private, nonprofit institution that was independent ...

, an international center for research and education in biology, biomedicine, and ecology *

Master of Business and Law Master or masters may refer to: Ranks or titles * Ascended master, a term used in the Theosophical religious tradition to refer to spiritually enlightened beings who in past incarnations were ordinary humans *Grandmaster (chess), National Master ...

, a two-year master's degree credential *

National Security College (Israel) The National Security College ( he, המכללה לביטחון לאומי, haMichlala l'Bitachon Leumi, variously abbreviated as MBL, MABL, MBAL, MABAL), also translated as the National Defense College is a military education institution in Isr ...

Politics

Free Bolivia Movement The Free Bolivia Movement (Spanish: ''Movimiento Bolivia Libre'') is a progressive political party in Bolivia. The party was formed on January 15, 1985, following a split in MIR. Initially the party was known as ''MIR Bolivia Libre''. At the le ...

(Spanish: ''Movimiento Bolivia Libre''), a political party in Bolivia *

Free Brazil Movement Free Brazil Movement (, MBL) is a Brazilian conservative and economically liberal movement founded in 2014. Initially a ramification of the Brazilian branch of Students for Liberty, it grew boarding the political dissatisfaction after the 2013 ...

(Portuguese: ''Movimento Brasil Livre''), a libertarian Austrian-school inspired political movement in Brazil

Science

Mannan-binding lectin Mannose-binding lectin (MBL), also called mannan-binding lectin or mannan-binding protein (MBP), is a lectin that is instrumental in innate immunity as an opsonin and via the lectin pathway. Structure MBL has an oligomeric structure (400-700 kDa) ...

(or mannose-binding lectin), a protein capable of binding certain sugars and polysaccharides *

Many-body localization Many-body localization (MBL) is a dynamical phenomenon occurring in isolated many-body quantum systems. It is characterized by the system failing to thermalization, reach thermal equilibrium, and retaining a memory of its initial condition in lo ...

, a state of matter in which a local set of particles cannot reach thermal equilibrium * Monoclonal B-cell lymphocytosis, a condition that resembles chronic lymphocytic leukemia (CLL)

Sport

Malaysian Basketball League The Malaysia National Basketball League (Petronas-Molten Malaysia National Basketball League for sponsorship reason), often abbreviated to the MNBL, was the pre-eminent men's basketball league in Malaysia, organised by the Malaysia Basketball As ...

, former name of the Malaysia National Basketball League, the pre-eminent men's basketball league in Malaysia *

Midwest Basketball League The Maximum Basketball League (MBL) is a semi-professional men's basketball league which operates in the United States. History Established in 2015 by founder Michael A. Wright, the Midwest Basketball League (MBL) was rebranded the Maximum Baske ...

, a semi-professional men's basketball league which operates in the Midwestern United States

Transportation

Manistee County-Blacker Airport Manistee County Blacker Airport is a public use airport located three nautical miles (6 km) northeast of the central business district of Manistee, a city in Manistee County, Michigan, United States. It is owned by the Manistee Count ...

(IATA/FAA code MBL), an airport in the US state of Michigan *

Montclair-Boonton Line The Montclair-Boonton Line is a commuter rail line of New Jersey Transit Rail Operations in the United States. It is part of the Hoboken Division. The line is a consolidation of three individual lines: the former Delaware, Lackawanna & Western R ...

, a commuter rail line in North Jersey in the US state of New Jersey *

Montebello Bus Lines Montebello Bus Lines is a municipal bus operator in Montebello, California, USA, mainly serving East Los Angeles, Commerce, and Montebello. History Montebello Bus Lines began on 28 July 1931, with a small lot on the corner of Greenwood Avenue ...

, a local transit agency serving the San Gabriel Valley in Southern California

Other uses

Marie Byrd Land Marie Byrd Land (MBL) is an unclaimed region of Antarctica. With an area of , it is the largest unclaimed territory on Earth. It was named after the wife of American naval officer Richard E. Byrd, who explored the region in the early 20th centur ...

, region of West Antarctica *

Macquarie Bank Limited Macquarie Group Limited () is an Australian global financial services group. Headquartered and listed in Australia (), Macquarie employs more than 17,000 staff in 33 markets, is the world's largest infrastructure asset manager and Australia' ...

, name of the Macquarie Group (a publicly traded Australian financial-services corporation) prior to its restructuring in 2007 {{disambig