Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
Hecla Mining Company
Coeur d’Alene, Idaho
We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our reports dated February 21, 2019, relating to the consolidated financial statements, and the effectiveness of Hecla Mining Company’s internal control over financial reporting appearing in the Company’s Annual Report onForm 10-K for the year ended December 31, 2018.
We also consent to the reference to us under the caption “Experts” in the Prospectus.
/s/ BDO USA, LLP
Spokane, Washington
February 21, 2019