Lab

Lab most often refers to:
 * Laboratory, a facility to conduct scientific research and experiments.

Lab or LAB may also refer to:

Places

 * Láb, a village near Br in western Slovakia
 * Lab a school in Chicago

People

 * ISO 639 code for the ancient Minoan language of Crete

Music

 * LAB Records, a British independent record label
 * LAB (band), a Finnish band
 * L.A.B., a New Zealand reggae band

Transportation

 * Laburnum railway station, Melbourne
 * League of American Bicyclists
 * Linhas Aéreas Brasileiras, a defunct Brazilian airline
 * Lloyd Aéreo Boliviano, a defunct Bolivian airline

Science and technology

 * Linear alkylbenzene
 * Lithosphere-Asthenosphere boundary, between layers of the Earth
 * Lactic acid bacteria
 * Lab color space
 * Lyman-alpha blob, in interstellar space
 * Linear alkylbenzene sulfonate
 * LAB color space

Groups

 * Langile Abertzaleen Batzordeak, a Basque trade union
 * Lockerz advisory board
 * Los Angeles Baptist High School, US

Other

 * Labrador Retriever, a dog breed
 * Legs, abs, and butt fitness workout