OOB may refer to: Oob (Dragon Ball), a fictional character in Dragon Ball off our backs, US feminist periodical 1970–2008 Order of battle, a listing of military units Out-of-bag error, a method of measuring prediction error Out-of-band management, using a dedicated management channel in computer networking ÖoB, a Swedish discount chain Old Orchard Beach, a seaside resort town in Maine See also OOBE (disambiguation)