Scanner

Scanner may refer to:

WikiScanner, a tool that provides a searchable database of anonymous Wikipedia edits
A personality type described by self-help author Barbara Sher

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
Port scanner, in computer networking
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

Scanner (comics), a mutant appearing primarily in X-Men comics.
Scanner (band), a German speed metal band
Scanners (band), an alternative band from London
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 monitor.