KNA
CBA is an abbreviation for:
- Catholic News Agency, an independent news agency, based in Bonn
- Popular name for the conductor Hans Knappertsbusch
- Compare cost-benefit analysis, an umbrella term for various analyzes, the benefits and costs
- St. Kitts and Nevis, island nation in the Lesser Antilles, country code according to ISO 3166
- Disambiguation
- Abbreviation