OTB may refer to:

Arts

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Computing

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  • 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

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  • 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

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