Company: WEBNF
Filing Date: 2025-05-27
Form Type: 6-K
Source: 0001104659-25-052593
Chunk: 0

Company: WESTPAC BANKING CORP
Filing Date: 2025-05-27
Form: 6-K
Chunk 0
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<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

May 27, 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 appoints Chief Data, Digital and AI Officer

Westpac has announced the
appointment of Dr Andrew McMullan as Chief Data, Digital and AI Officer, reporting to CEO Anthony Miller.

Dr McMullan joins Westpac
from the Commonwealth Bank of Australia, where he most recently served as Chief Data and Analytics Officer. In this new role, Dr McMullan
will lead Westpac’s data analytics, digital transformation and artificial intelligence initiatives, with a strong focus on the responsible
use of data and AI to deliver exceptional experiences for customers and employees.

Dr McMullan holds a PhD in
Statistics from the University of Glasgow and brings extensive global experience in developing and scaling digital, data analytics and
AI platforms. Throughout his career, he has focused on responsibly leveraging data and AI to enhance the financial wellbeing and overall
experiences of customers, communities and employees.

Dr McMullan will
join Westpac in September 2025.

Index to Exhibits

| Exhibit 
 No.     |     | Description