National Australia Bank

National Australia Bank Limited
Company typePublic
IndustryBanking, financial services
FoundedOctober 1, 1981 (1981-10-01) (as National Commercial Banking Corporation of Australia Limited)
Headquarters395 Bourke Street
Melbourne, Australia
Area served
Australia
Key people
ProductsBusiness banking
Consumer banking
Wholesale banking
Wealth management
Insurance
A$20.65 billion (2024)
A$6.98 billion (2024)
Total assets A$1.08 trillion (2024)
Total equity A$62.21 billion (2024)
Number of employees
38,996 (2024)
Divisions
SubsidiariesBank of New Zealand
Websitenab.com.au

National Australia Bank Limited (abbreviated NAB, branded and stylised as nab) is one of the four largest financial institutions in Australia (colloquially referred to as "The Big Four") in terms of market capitalisation, earnings and customers. NAB was ranked the world's 21st-largest bank measured by market capitalisation and 52nd-largest bank in the world as measured by total assets in 2019.

As of January 2019, NAB operated 3,500 Bank@Post locations—including 7,000+ ATMs across Australia, New Zealand, and Asia—and served 9 million customers.

NAB has an "AA−" long-term issuer rating by Standard & Poor's.