ANZ Bank New Zealand Limited is a New Zealand banking and financial services company, which operates as a subsidiary of Australia and New Zealand Banking Group Limited of Australia. ANZ is one of New Zealand's big four banks, and is the largest bank in New Zealand with approximately 30% of market share as of March 2021.

The Australia and New Zealand Banking Group Limited (ANZ) is a multinational banking and financial services company headquartered in Melbourne, Victoria, Australia. It is Australia's second-largest bank by assets and fourth-largest bank by market capitalisation.