Company: WEBNF
Filing Date: 2025-03-14
Form Type: 6-K
Source: 0001104659-25-023734
Chunk: 0

Company: WESTPAC BANKING CORP
Filing Date: 2025-03-14
Form: 6-K
Chunk 0
---
<div align='center'>UNITED STATES

SECURITIES AND
EXCHANGE COMMISSION

Washington, DC
20549

FORM 6-K

REPORT OF FOREIGN
PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

March 14, 2025

Commission File Number 1-10167

WESTPAC BANKING CORPORATION

(Translation of
registrant’s name into English)

(Address of principal
executive office)

Indicate by check
mark whether the registrant files or will file annual reports

under cover of
Form 20-F or Form 40-F.

Form
20-F x
Form 40-F ¨</div>

Indicate by check mark if the registrant is
submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ¨

Indicate by check mark if the registrant is submitting
the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ¨

Incorporation by Reference

The information contained
in this Report on Form 6-K, excluding the information set forth in Exhibit 1, shall be incorporated by reference in the prospectuses
relating to the Registrant’s securities contained in the Registrant’s Registration Statements on Form F-3 (File Nos. 333-283007
and 333-283008), as such prospectuses may be amended or supplemented from time to time.

Westpac Settles Auto Finance Class Action

The Westpac Group has agreed
to settle the class action relating to flex commissions paid to auto dealers from March 1, 2013 to October 31, 2018, without any admission
of liability.

The settlement is for $130m
which was largely provided for as at December 31, 2024 and included in Westpac’s 1Q25 Update. The settlement remains subject to
Court approval.

Index to Exhibits

| Exhibit 
 No.     |     | Description                               |
| 1       |     | Westpac Settles Auto Finance Class Action |

Disclosure regarding forward-looking statements

The information contained in this Report on Form
6-K contains statements that constitute “forward-looking statements” within the meaning of section 21E of the U.S. Securities
Exchange Act of 1934.

Forward-looking statements are statements that
are not historical facts.