Vehicle registration plate, also known as a license plate

A financial procedure regulated in the US by the Securities Act of 1933

Aircraft registration

Des Moines Register, a newspaper in Des Moines, Iowa

Voter registration, entry onto an electoral roll

The Federal Register, a publication of the US Government

Processor register, a component inside a CPU for storing information

Image registration, part of computer vision

Cash register, a device for recording retail transactions and storing money

The Register, a technology news website

Register (linguistics), a form of a language used for a particular purpose or social setting

The Orange County Register, a newspaper in Santa Ana, California

The New Haven Register, a newspaper in New Haven, Connecticut

Register (music), the relative "height" or range of a note, melody, part, instrument, etc

Licensure required in occupations where maintenance of standards is required to protect public safety

Register, Georgia

Hardware register, a placeholder for information about some hardware condition

Becoming, or applying to become, a registered user

Registrar (disambiguation), an official charged with maintaining records

Register (sculpture), in sculpture, areas segmented with lines, used in Egyptian hieroglyphs, Luwian hieroglyphs, Kudurru boundary stones, etc.

Registered mail: a trackable mail service available in most countries

FCC registration program for telephone equipment

Printing registration, part of printing visible colour

Register (phonology), a language that combines tone with phonation

John Register, a contemporary American painter

Register signaling, which communicates the calling and/or called telephone number across a telephone line

A keyword in the C and C++ languages which denotes that a variable should be located in a processor register.