BGI may refer to: Bainbridge Graduate Institute, an MBA program based in Washington State Bagnoles-Gaussen Index, or Gaussen Index, a climatological measure of aridity Barclays Global Investors, an asset management business Basic Ground Instructor, a class of Ground Instructor certificate issued in the United States by the Federal Aviation Administration BGI Genomics, a genome sequencing company in China Borland Graphics Interface, a graphics library included with many Borland compiler products in the 1990s Grantley Adams International Airport, an airport in Barbados (IATA airport code)