Below are the long-term credit ratings of Australian banks. The four major banks rank among the strongest in the world from a credit standpoint. Five banks have long-term credit ratings of AA- from Standard & Poor's and six banks have long-term debt ratings of Aa2 from Moody’s. Ratings may be revised or withdrawn at any time by the rating agencies.
| Rank | Bank | Moody's | Standard & Poor's | Fitch Ratings |
| 1 | ANZ Banking Group | Aa2 | AA- | AA- |
| 2 | Commonwealth Bank of Australia | Aa2 | AA- | AA- |
| 3 | National Australia Bank | Aa2 | AA- | AA- |
| 4 | Westpac Banking Corporation | Aa2 | AA- | AA- |
| 5 | Rabobank Australia Ltd | Aa2 | - | - |
| 6 | Bankwest * | Aa2 | AA- | AA- |
| 7 | HSBC Bank Australia Limited | A1 | A+ | n/r |
| 8 | Suncorp Bank | A1 | A+ | A+ |
| 9 | AMP Bank Ltd | A2 | A | - |
| 10 | Bendigo and Adelaide Bank | A2 | A- | A- |
| 11 | ING Bank (Australia) Ltd | - | A- | A |
| 12 | Macquarie Bank Limited (MBL) | A2 | A | A |
| 13 | Members Equity Bank Pty Ltd (ME Bank) | A3 | - | - |
| 14 | Bank of Queensland Limited | A3 | A- | A- |
| 15 | Citigroup Pty Limited | A3 | - | - |
| 16 | Arab Bank Australia Limited (ABAL) | - | BB+ | BBB- |
* Bankwest (formerly The Bank of Western Australia) has credit ratings through its parent company the Commonwealth Bank of Australia.
Credit Ratings as of March 2017.
Standard & Poor's (S&P)
Standard & Poor's, with offices in 24 countries and a history that dates back more than 150 years, is a global leader in objective risk analyses and evaluations of the credit worthiness of issuers worldwide.
Fitch Ratings
Fitch Ratings, founded in December 1913 by John Knowles Fitch, is an international rating agency that provides global capital market investors with ratings and research.
Moody's Investor Services
Moody's maintains a presence in 28 countries and is one of the world's most widely utilized sources for credit ratings, research and risk analysis. The company was established in 1909.