0B (zero B) or 0-B may refer to:
Science and technology Type 0B string theory, a variant of Type 0 string theory Binary numeral system (prefix: 0B) Zero-based numbering, numbering in which the initial element of a sequence is assigned the index 0 Zero-based array, an array data type in computer science
Other uses Zero-based budgeting, a technique of planning and decision-making which reverses the working process of traditional budgeting Blue Air (former IATA code: 0B), a former Romanian low-cost airline Turret 0B, a point on Hadrian's Wall associated with Milecastle 0
See also B0 (disambiguation)