Exhibit 31.2



CERTIFICATION
OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a-14 OF THE SECURITIES
EXCHANGE ACT OF 1934

AS ADOPTED PURSUANT TO SECTION 302
OF THE SARBANES-OXLEY ACT OF 2002



I, Aaron D. Peck, certify that:



| | 1. | I have reviewed this
Quarterly Report on Form 10-Q of Monroe Capital Corporation;
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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 consolidated 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 registrant as of, and for, the periods presented
in this report;
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| | 4. | The registrant’s
other certifying officer(s) 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)) for the registrant 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 registrant, 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) | Evaluated the effectiveness
of the registrant’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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| | (c) | Disclosed in this report
any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most
recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected,
or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
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| | 5. | The registrant’s
other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting,
to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing
the equivalent functions):
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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 registrant’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 registrant’s internal control
over financial reporting.
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Date: May 8, 2018



| | /s/ Aaron D. Peck                                             
| | --------------------------------------------------------------
| | Aaron D. Peck                                                 
| | Chief Financial Officer, Chief Investment Officer and Director
| | (Principal Financial and Accounting Officer)                  
| | Monroe Capital Corporation