Scanner may refer to:
Scanner (radio), for searching for and receiving radio broadcasts
An outside broadcasting control vehicle
A rotating radar antenna
Neutron scanner, a scanner which utilizes neutrons to penetrate objects for analysis
Image scanner, which digitizes a two-dimensional image
3D scanner, which digitizes the three-dimensional shape of a real object
Motion picture film scanner, which scans original film for storage as a digital file
Barcode reader, which reads the data encoded in a barcode
Laser scanner, which guides a laser beam along a path, sometimes combined with a measurement
Stepper, a part of the photolithography process
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
An automated spotlight