Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Iris Energy Limited
Sydney, NSW, Australia
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated September 13, 2022, relating to the consolidated financial statements of Iris Energy Limited, appearing in the Annual Report on Form 20-F of Iris Energy Limited for the year ended
June 30, 2022.
/s/ArmaninoLLP
Dallas, Texas
June 30, 2023