GBS may refer to:

In medicine:

  • Gastric bypass surgery, a class of medical procedures used to treat morbid obesity
  • Group B streptococcus, a type of bacteria which causes a Group B streptococcal infection
  • Guillain–Barré syndrome, an autoimmune disease affecting the peripheral nervous system
  • Glasgow-Blatchford bleeding score, a screening tool for patients with acute upper gastrointestinal bleeding
  • Gay bowel syndrome, an obsolete term that was sometimes used to refer to conditions supposedly more frequent in gay men

In education:

  • Goizueta Business School, a highly ranked business school of Emory University in Atlanta, Georgia, United States
  • God's Bible School and College, a Christian college in Cincinnati, Ohio, United States
  • Gandaki Boarding School, formerly called Nepal Adarsha Vidyashram, a boarding school in Nepal
  • Galgotias Business School, a management school in Greater Noida, India
  • Glenbrook South High School, a high school in Glenview, Illinois, United States
  • Gyeonggibuk Science High School, a science high school in Uijeongbu, Republic of Korea
  • Goethe Business School, a graduate business school in Frankfurt am Main, Germany

In technology:

  • Gravity-based structure, a support structure technique often used in building offshore oil platforms
  • Global Broadcast Service, a United States Military communications network
  • Game Boy Sound System, the audio playback technology used in the Nintendo Game Boy
  • GNU build system, also known as Autotools, a suite of GNU project programming tools
  • GBs, plural of gigabyte
  • Gbs, short for gigabits per second, a data rate unit
  • Grundy Business Systems, an English microcomputer company of the 1980s
  • Global Business Services, a division of IBM Global Services


  • The Gay Byrne Show, an Irish radio show (1974–1998)
  • George Bernard Shaw (1856–1950), an Irish playwright
  • Genotyping By Sequencing, a method of SNP genotyping
  • Gifu Broadcasting System, a television and radio station in Gifu Prefecture, Japan
  • Gold Bauhinia Star, the second highest rank in the Hong Kong honours system
  • Golden Bauhinia Square, an open square in North Wan Chai, Hong Kong.
  • Gram Bharati Samiti, or Society for Rural Development, a non-governmental organization in the Jaipur district of Rajasthan
  • Große Berliner Straßenbahn, a former name of the Berlin Straßenbahn
  • Great Big Sea, a Canadian folk-rock band
  • Gürbetal-Bern-Schwarzenburg-Bahn, a former Swiss railway, now part of the Bern-Lötschberg-Simplon railway
  • Gugun Blues Shelter, Indonesian music group
  • Guillermo Barros Schelotto, an Argentine soccer player
  • The IOC country code for Guinea-Bissau