BGI is a three-letter acronym and may stand for:

• Beijing Genomics Institute, a genomics research institute in China.
• Les Brasseries et Glaceries d'Indochine, a French company
• The Grantley Adams International Airport (BGI), In Christ Church, Barbados.
• Barclays Global Investors, largest money manager on the planet.
• Borland Graphics Interface, a graphics library included with many Borland compiler products in the 1990s
• Borders Group Incorporated, a book retail chain based in the United States.
• The Brand Goodwill Index, a measure of peer group commitment, developed by the Customer Equity Company.
• Bougainvillea Growers International, the nation's largest bougainvillea grower, located in South Florida.

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