Lab or LAB may refer to:
*Lab (band), a Bolivian salsa band
*LAB (band), a Finnish gothic rock band
*Lab (people), a people living in southern Albania
*Lab River, a river in Serbia
*Lab color space (strictly L*a*b*), the most complete color model used conventionally to describe all the colors visible to the human eye
As a nickname or shortened form:
*Laboratory, a place where scientific research and experiments are conducted
*Labrador, a region on the easternmost coast of Canada
*Labrador Retriever, a dog breed
As an acronym:
*Lactic acid bacteria, a group of bacteria useful to the dairy, wine, and food industries
*Langile Abertzaleen Batzordeak, a basque national trade union
*Lloyd Aereo Boliviano, the Bolivian national airline
*League of American Bicyclists, the national bicyclist advocacy organization in the United States.
*Linear Alkyl Benzene, a common inexpensive surfactant used in many industrial and household detergent formulations
*Linux as bootloader
*Live aus Berlin, a recording of a 1999 concert by the German band Rammstein
*Long Aston Bypass
