The National Broadcasting Company (NBC) is an American English-language commercial broadcast television and radio network. The flagship property of the NBC Entertainment division of NBCUniversal, a division of Comcast, its headquarters are located at Comcast Building in New York City. The company also has offices in Los Angeles at 10 Universal City Plaza and Chicago at the NBC Tower. NBC is the oldest of the traditional "Big Three" American television networks, having been formed in 1926 by the Radio Corporation of America. NBC is sometimes referred to as the "Peacock Network," in reference to its stylized peacock logo, introduced in 1956 to promote the company's innovations in early color broadcasting.

NBC has twelve owned-and-operated stations and nearly 200 affiliates throughout the United States and its territories, some of which are also available in Canada and Mexico via pay-television providers or in border areas over the air. NBC also maintains brand licensing agreements for international channels in South Korea and Germany.