TBC may refer to:

• Trinity Bible College in North Dakota, US
• Tauranga Boys' College, a state secondary school in Tauranga, New Zealand

• Triangle Brewing Company of Durham, North Carolina, US
• Tram et Bus de la CUB (TBC), now Transports Bordeaux Métropole, the operator of three tram lines and a bus network in Bordeaux, France
• TBC Bank, a private bank in Republic of Georgia
• TBC Corporation, parent company of National Tire and Battery and other tire retailers and distributors
• The Beistle Company of Shippensburg, Pennsylvania, US
• The Boiling Crab, a Cajun restaurant chain
• The Boring Company of Elon Musk, in California, US

• Tuberculosis, lethal, infectious disease common before World War II

• Tanzania Broadcasting Corporation, official Tanzanian broadcaster known as TBC
• Taegu Broadcasting Corporation, a South Korean local broadcasting company
• Tohoku Broadcasting Company, a Sendai, Japan, TV/radio station
• Tonga Broadcasting Commission
• Tongyang Broadcasting Company, 1964–1980, a defunct South Korean broadcasting company
• Triad Broadcasting Company

• The Black Crowes, a blues based rock band
• TBC (band), a Christian band
• Texas Boys Choir, a boychoir located in Fort Worth, Texas, US

• To be confirmed
• To be continued
• 4-tert-Butylcatechol, an antioxidant
• The Beijing Center for Chinese Studies, organization aiming at educating the academic community about China
• World of Warcraft: The Burning Crusade, the first expansion pack for World of Warcraft
• Thermal barrier coating, advanced materials systems usually applied to metallic surfaces operating at elevated temperatures, as a form of exhaust heat management
• Time base corrector, technique to reduce or eliminate errors caused by mechanical instability present in analog recordings
• Transcending Boundaries Conference, north-east US LGBTQI convention
• Treasury Board of Canada
• Tuba City Airport, Arizona IATA airport code
• Tucson Bird Count, a community-based biological monitoring program in Tucson, Arizona, US
• The Brothers Chaps, American writers, voice actors, directors, producers and composers
• True Blue Crew, Australian far-right white supremacist group
• TBC domain, a protein domain named for its initial discovery in the proteins Tre-2, Bub2, and Cdc16