Exhibit 5.1

| | Deloitte LLP |
| Brookfield Place |
| 181 Bay Street |
| Suite 1400 |
| Toronto ON M5J 2V1 |
| | Canada |
| | |
| | Tel: (416) 601-6150 |
| | Fax: (416) 601-6151 |
| | www.deloitte.ca |
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement No. 333-195184 on Form F-10/A of our reports dated February 19, 2014, relating to the consolidated financial statements of HudBay Minerals Inc. and subsidiaries (“Hudbay”) and the effectiveness of Hudbay’s internal control over financial reporting as at and for the year ended December 31, 2013, appearing in the annual report on Form 40-F dated March 31, 2014.
We also consent to the reference to us under the heading “Independent Auditors” in the Prospectus, which is part of this Registration Statement.
Yours truly, | |
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/s/ Deloitte LLP | |
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Chartered Professional Accountants, Chartered Accountants | |
Licensed Public Accountants | |
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Toronto, Canada | |
April 22, 2014 | |