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 network that is a flagship property of CBS Corporation.
CBeebies is a BBC television network for British programming aimed at encouraging "learning through play in a consistently safe environment for children aged 6 or under", and providing "high quality, mostly UK-produced programmes".
Chemical, biological, radiological and nuclear defense (CBRN defense or CBRNE defense) is protective measures taken in situations in which chemical, biological, radiological or nuclear warfare (including terrorism) hazards may be present.
CBC Television (also known as simply "CBC") 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. The president of CBS News is David Rhodes.
CBBC (short for Children's BBC) is a British children's television strand owned by the BBC and aimed for children aged from 6 to 12. BBC programming aimed at under six year old children is broadcast on the CBeebies channel.
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.