OBB
# OBB

OBB may refer to:

* ÖBB, Austrian Federal Railways
* OBB (band), a Christian pop rock band
* Oliver B. Bumble, comic series and name of its main character
* Opaque binary blob, a file format, which is (among others) used by the Android operating system
* Open Buy Back, a security
* Oriented bounding box, a type of bounding volume used in computer geometry
* OTC Bulletin Board, a regulated quotation service for stocks that are not listed on one of the major U.S. stock exchanges
* Opening Billboard or title sequence
