CB and variants may refer to:
CBS (an initialism of the network's former name, the Columbia Broadcasting System) is an American English language commercial broadcast television and radio network that is a flagship property of CBS Corporation.
CBC Television (also known as CBC TV) is a Canadian English-language broadcast television network that is owned by the Canadian Broadcasting Corporation, the national public broadcaster.
CBS News is the news division of American television and radio service CBS. CBS News television programs include the CBS Evening News, CBS This Morning, news magazine programs CBS Sunday Morning, 60 Minutes, and 48 Hours, and Sunday morning political affairs program Face the Nation.
CBC News is the division of the Canadian Broadcasting Corporation responsible for the news gathering and production of news programs on the corporation's English-language operations, namely CBC Television, CBC Radio, CBC News Network, and CBC.ca.
Chemical, biological, radiological and nuclear defense (CBRN defense or CBRNE defense) are protective measures taken in situations in which chemical, biological, radiological or nuclear warfare (including terrorism) hazards may be present.
CBeebies is a British free-to-air television channel owned and operated by the BBC. It is aimed at young children, and was launched on 11 February 2002. It manages an international network supported by subscription services.
The CBD and South East Light Rail is a future Australian light rail line in Sydney, New South Wales, running from Circular Quay at the northern end of the central business district to the south-eastern suburbs of Randwick and Kingsford.