Data format in information technology may refer to:

• Data type, constraint placed upon the interpretation of data in a type system
• Signal (electrical engineering), a format for signal data used in signal processing
• Recording format, a format for encoding data for storage on a storage medium
• File format, a format for encoding data for storage in a computer file
  • Container format (digital), a format for encoding data for storage by means of a standardized audio/video codecs file format
• Content format, a format for representing media content as data
  • Audio format, a format for encoded sound data
  • Video format, a format for encoded video data