TBS may stand for:

• Taipei Broadcasting Station, a radio station in Taipei, Taiwan
• TBS Holdings (formerly Tokyo Broadcasting System), a stock holding company in Tokyo, Japan
  • TBS Television (Japan), a television station
  • TBS Radio, a radio station
  • BS-TBS, a satellite broadcasting station in Tokyo, Japan
• Turner Broadcasting System, media company in the United States
  • TBS (American TV channel), a cable television channel in the United States
  • TBS (Latin American TV channel), a defunct Latin American channel
• Traffic Broadcasting System, a radio and television broadcaster in Seoul, South Korea
• Taking Back Sunday, an American rock band from Long Island, New York

• TBS Education, France. The Grande école formerly known as: Toulouse Business School
• Tau Beta Sigma, an honorary band sorority
• The Basic School, US Marine Corps
• Therapeutic boarding school

• Tbilisi International Airport, an airport in Georgia, IATA code
• Terminal Bersepadu Selatan, transportation terminal in Kuala Lumpur, Malaysia

• Toshiba Business Solutions, a US-based subsidiary of Toshiba TEC Corporation

• Tablespoonful as a unit of measure, tbs
• Tafawa Balewa Square, Lagos, Nigeria
• Talk Between Ships, short range VHF radio; see Charles Momsen#World War II
• The Bethesda system, for reporting cervical cytologic diagnoses
• TBS GB, a UK healthcare services company
• Trabecular bone score, a measure of bone health
• Treasury Board Secretariat, the administrative branch of the Treasury Board of Canada
• Tris-buffered saline, a biochemical buffer
• Temple Beth Sholom (Cherry Hill, New Jersey), a synagogue
• Turn-based strategy game, in which players take turns
• Tert-butyldimethylsilyl group of silyl ethers; see Tert-Butyldimethylsilyl chloride
• Tanguat language, ISO 639-3 code tbs
• Trinitarian Bible Society
• Thomas Brodie-Sangster, a British actor, abbreviated TBS
• Thomas Bywater Smithies, who published under the initials T. B. S.
• Torneo Superior de Baloncesto, a Dominican basketball tournament
• Townes–Brocks syndrome, a rare genetic condition
• The Business Standard, a Bangladeshi newspaper
• True Buddha School, a new religious movement