OOB may refer to:
Technology Out-of-bag error, a method of measuring prediction error Out-of-band data, data transferred through a network that is independent from the main data stream Out-of-band management, using a dedicated management channel in computer networking Out of the box (feature), a product that is usable immediately
Other uses Out of bounds, a state of violating boundary rules in sports ÖoB, a Swedish discount chain Old Orchard Beach, Maine, a US seaside resort town Oob (Dragon Ball), a fictional character in Dragon Ball Off Our Backs, a former US feminist periodical Order of battle, a listing of military units
See also OOBE (disambiguation) Out of bounds (disambiguation)