OEB

OEB may refer to:
 * The Official Encyclopedia of Bridge
 * Online Educa Berlin, an annual conference on technology-supported learning
 * Online Egyptological Bibliography
 * Ontario Energy Board, which regulates natural gas and electricity utilities in Ontario
 * Open eBook, an e-book format
 * Open English Bible, a Bible translation
 * Operation Engineering Bulletin, a type of Aircraft flight manual
 * KOPB-TV or Oregon Educational Broadcasting, a public television station
 * Branch County Memorial Airport's FAA location identifier
 * Oil Equivalent Barrel, unit of energy released by burning one barrel of crude oil
 * Octavia E. Butler, an American science-fiction author