Similar to ポルトガル語公用語アフリカ諸国

Cellular digital packet data

CESNUR

Avro Canada CF-100 Canuck

Ch (digraph)

Boeing CH-47 Chinook

Chemical Abstracts Service

Chemistry Europe

CHILL

Chromebook

Congrès Internationaux d'Architecture Moderne

CIPA (organization)

CLIÉ

Clipper (programming language)

CLU (programming language)

CNKI

Cosmic Background Explorer

COBIT

COBOL

CODASYL

CoffeeScript

Common Gateway Interface

Common Lisp

Common Object Request Broker Architecture

Component Object Model

CompuServe

Computer Systems Research Group

Concurrent Versions System

CAN bus