EXHIBIT 12.1

CERTIFICATION

I, Joseph P. Hebert, certify that:



|1. | I have reviewed this report on Form 20-F of Miranda Gold Corp.;
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|2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary
to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect
to the period covered by this report;
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|3. | Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all
material respects the financial condition, results of operations and cash flows of the company as of, and for, the periods presented
in this report;
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|4. | The company's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange
Act Rules 13a-15(f) and 15d-15(f)) for the company and have:
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| | a) | Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
to ensure that material information relating to the company, including its consolidated subsidiaries, is made known to us by others
within those entities, particularly during the period in which this report is being prepared;
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| | b) | Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed
under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with generally accepted accounting principles;
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| | c) | Evaluated the effectiveness of the company's disclosure controls and procedures and presented in this report our conclusions about
the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such
evaluation; and
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| | d) | Disclosed in this report any change in the company's internal control over financial reporting that occurred during the period
covered by this annual report that has materially affected, or is reasonably likely to materially affect, the company's internal
control over financial reporting.
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|5. | The company's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the company's auditors and the audit committee of company's board of directors (or persons performing the equivalent
function):
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| | a) | All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which
are reasonably likely to adversely affect the company's ability to record, process, summarize and report financial information;
and
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| | b) | Any fraud, whether or not material, that involves management or other employees who have a significant role in the company's internal
control over financial reporting.
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Date: December 21, 2018



Joseph P. Hebert

By: /s/ "Joseph P. Hebert"

President and Chief Executive Officer

(Principal Executive Officer)



A signed original of this written statement
required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and
Exchange Commission or its staff upon request.