0B
# 0B

0B (zero B) or 0-B may refer to:

* 0B, IATA airline designation for Blue Air (Romania)
* Type 0B string theory, a variant of Type 0 string theory
* a prefix denoting a binary numeral system
* Turret 0B, a point on Hadrian's Wall associated with Milecastle 0
* 0-based or zero-based systems
   * Zero-based numbering, numbering in which the initial element of a sequence is assigned the index 0
   * Zero-based budgeting, a technique of planning and decision-making which reverses the working process of traditional budgeting
   * Zero-based array, an Array data type in computer science
