Scan may refer to:


  • Schedules for Clinical Assessment in Neuropsychiatry (SCAN), a psychiatric diagnostic tool developed by WHO
  • Shared Check Authorization Network (SCAN), a database of bad check writers and collection agency for bad checks
  • Space Communications and Navigation Program (SCaN)
  • S.C.A.N, Stop Child Abuse and Neglect, non-for profit organization based in Fort Wayne, Indiana.


  • Scan Furniture, a retail chain based in Washington, D.C. specializing in Scandinavian furniture
  • Scan AB or Scan Foods UK Ltd, the Swedish and UK subsidiaries of the Finnish HKScan Oyj
  • Seattle Community Access Network (SCAN) is the public access TV channel is Seattle, Washington
  • Scan, Inc., tech company based in San Francisco CA, specializing in mobile technologies and design.

Electronics or computer related:

  • Counter-scanning, in physical micro and nanotopography measuring instruments like scanning probe microscope
  • Elevator algorithm (also SCAN) disk scheduling algorithm
  • Image scanning
  • Optical character recognition, optical recognition of printed text or printed sheet music
  • Port scanner in computer networking
  • Prefix sum is an operation on lists that is also known as the scan operator
  • Scan chain, a type of manufacturing test used with integrated circuits
  • Graham scan, an algorithm for finding the convex hull of a set of points in the plane
  • Scan line
  • Raster scan


  • Medical ultrasonography, the medical procedure for examining internal structures, especially when applied to developing foetuses in the womb
  • X-ray computed tomography
  • Magnetic resonance imaging
  • Switch Access Scanning, a technique that allows users with motor impairments to use a computer using switch access
  • Partner assisted scanning, a technique that allows a person with severe disabilities to communicate

Other uses:

  • Systems of scansion, the analysis of writing and verse regarding rhythmic and especially metrical structure
  • "Scan" (Prison Break episode), an episode of the television series Prison Break
  • Scan (horse) (born 1988), an American thoroughbred racehorse