CMC may refer to:
CMC Limited is an information technology services, consulting and software company having its headquarters in New Delhi, India. CMC is part of the TATA Group and is owned by Tata Consultancy Services. CMC was incorporated on 26 December 1975, as the 'Computer Management Corporation Private Limited'. The Government of India held 100 per cent of the equity share capital and owned by government of India. On 19 August 1977, it was converted into a public limited company. In October 2001, CMC was privatized by the Government of India, in a sale to India-based Tata Consultancy Services (TCS), the largest software services company in Asia. It also features on top ten companies in India.
init. 1 (context military US English) (w: Commandant of the Marine Corps) 2 computer-mediated communication