NBG

NBG may refer to:

• National Bank of Georgia
• National Bank of Greece
• Naus-Bruisma-Geruko, NBG Industrial BV
• The IATA airport identifier for Naval Air Station Joint Reserve Base New Orleans
• The von Neumann–Bernays–Gödel set theory
• The Nordic Battle Group
• Nederlands Bijbelgenootschap
• Number based graphic, an image format