OTB
# OTB

OTB may refer to:

## Arts

* On the Boards, an arts organization in Seattle, Washington
* Out of the Blue (American band), a jazz ensemble

## Computing

* One True Brace, a software coding convention for formatting loops, functions, if statements, and blocks
* Orfeo toolbox, an open source library for remote sensing image processing
* OTA Bitmap, an image file specification for mobile phones (*.otb files)

## Sports and games

* Off-track betting, sanctioned gambling on horse racing outside a race track
* Over-the-board, in chess, played on a single physical chessboard (as opposed to correspondence or online chess)
* Off the ball, in association football, a player's movement when not in possession of the ball

## Other

* Off the boat, a slang phrase for newly arrived immigrants
* Overberg Test Range, or Overberg Toetsbaan, a missile test range in South Africa
* Overseas Trust Bank, a defunct bank of Hong Kong
* OTB Group, a holding company for several fashion brands
* The Old Timer's Bulletin, an amateur radio history journal
