CG, Cg or cg may refer to:
CGI Group Inc. (Consultants to Government and Industries), more commonly known as CGI, is a Canadian global information technology (IT) consulting, systems integration, outsourcing, and solutions company headquartered in Montreal, Quebec, Canada.
cgroups (abbreviated from control groups) is a Linux kernel feature that limits, accounts for, and isolates the resource usage (CPU, memory, disk I/O, network, etc.) of a collection of processes.
CGTN (China Global Television Network), formerly known as CCTV-NEWS, CCTV-9, and CCTV English International, is a 24-hour English news channel, of China Central Television (CCTV) part of the China Global Television Network group, based in Beijing.
CGIAR (formerly the Consultative Group for International Agricultural Research) is a global partnership that unites organizations engaged in research for a food-secured future.
CGP Grey is an American-Irish podcaster and educational YouTuber who posts on YouTube under the channel CGP Grey.
Cg (short for C for Graphics) is a high-level shading language developed by Nvidia in close collaboration with Microsoft for programming vertex and pixel shaders.