Scanner

Scanner may refer to:

Technology
 Scanner (radio), for searching for and receiving radio broadcasts
 Image scanner, which digitizes a two-dimensional image
 3D scanner, which digitizes the three-dimensional shape of a real object
 Neutron scanner, a scanner which utilizes neutrons to penetrate objects for analysis
 Port scanner, in computer networking
 Virus scanner (Antivirus)
 Vulnerability scanner, a computer program that probes for weaknesses
 Barcode reader, which reads the data encoded in a barcode
 Lexical analyzer, a computer program
 Stepper, a part of the photolithography process
 A rotating radar antenna
 An outside broadcasting control vehicle
 An automotive electronic control unit diagnostic tool
 An automated spotlight
 A biometric scanner, an electronic device with a sensor to read patterns or images from faces, irises and finger pads to create a biological template or profile
 WikiScanner, a tool that provides a searchable database of anonymous Wikipedia edits

Popular culture
 Scanner (comics), a mutant appearing primarily in X-Men comics.
 Scanner (band), a German speed metal band
 Scanners (band), an alternative band from London
 Scanner, the stage name of British electronic musician Robin Rimbaud
 Scanner (Code Lyoko), a fictional teleportation device
 Scanner (Half-Life), a floating enemy in the Half-Life video game series
 Scanners Live in Vain, a science fiction short story by Cordwainer Smith
 A Scanner Darkly, a science fiction novel by Philip K. Dick
 Scanners, a 1981 science fiction horror film
 In much science fiction, especially older science fiction, the term scanner is used to refer to what is usually now termed a computer monitor.

Other
 A personality type described by self-help author Barbara Sher