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Overhead may be:

• Overhead (business), the ongoing operating costs of running a business
• Engineering overhead, ancillary design features required by a component of a device
  • Overhead (computing), ancillary computation required by an algorithm or program
  • Protocol overhead, additional bandwidth used by a communications protocol
  • Line code or encoding overhead, additional bandwidth required for physical line transmission
• Overhead information, for telecommunication systems
• File system overhead, storage or other consideration required by a file system that is not directly related to data. For example, in tape data storage, the separator between one file and the next is overhead.
• Any physical object situated, or action occurring above:
  • Overhead line, for power transmission
  • Overhead cable, for signal transmission
  • Overhead projector, a display system
  • Overhead storage, for example overhead storage bins, racks, shelves, cabinets or track systems in aircraft, trains or buildings
• Overhead cam, a mechanical device
• Overhead join, in air traffic control
• Overhead press, an upper-body weight training exercise in
• Overhead crane or bridge crane, a type of crane sliding on two parallel rails

See also

• Overkill (disambiguation)

• Disambiguation pages