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Exhibit 15.1

Consent of Independent Registered Public Accounting Firms
We consent to the incorporation by reference in the registration statements on Form F-3 of Rio Tinto plc (No. 333-271670), Rio Tinto Limited (No. 333-271670-01), Rio Tinto Finance (USA) Inc. (No. 333-271670-02), Rio Tinto Finance (USA) plc (No. 333-271670-03), and Rio Tinto Finance (USA) Limited (No. 333-271670-04) and in the registration statements on Form S-8 of Rio Tinto plc (Nos. 333-184397, 333-224907, 333-285630, 333-285631 and 333-285636), and Rio Tinto Limited (No. 333-224907-01 and 333-285636-01) of our reports dated February 19, 2026 with respect to the consolidated financial statements of the Rio Tinto Group (comprising Rio Tinto plc and Rio Tinto Limited, together with their subsidiaries) and the effectiveness of internal control over financial reporting.



/s/ KPMG LLP/s/ KPMG
KPMG LLPKPMG
London, United KingdomPerth, Australia
2/19/20262/19/2026
KPMG, an Australian partnership and KPMG LLP, a UK limited liability partnership, are member firms of the KPMG global organisation of independent member firms affiliated with KPMG International Limited, a private English company limited by Guarantee.

KPMG Australia’s liability limited by a scheme approved under Professional Standards Legislation.