KBA may refer to:

• The Korea Basketball Association
• The Koenig & Bauer AG
• Knowledge-based authentication of a person accessing a service
• Kenn Borek Air, an airline based in Calgary, Alberta, Canada, ICAO code
• Key Biodiversity Area
• Kettering Buccleuch Academy, a school in Kettering, Northamptonshire

This disambiguation page lists articles associated with the title KBA.
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