Exhibit 15.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form F-3 (No. 333-175037) and in the Registration Statements on Form S-8 (Nos. 333-184397, 33-46865, 333-7328, 333-8270, 333-13988, 333-147914, 333-156093) of Rio Tinto plc and Rio Tinto Limited of our report dated 13 March 2014 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 20-F.

/s/ PricewaterhouseCoopers LLP	/s/ PricewaterhouseCoopers
PricewaterhouseCoopers LLP	PricewaterhouseCoopers
London, United Kingdom	Melbourne, Australia
13 March 2014	13 March 2014