Exhibit 31.2



Certification
of Chief Financial Officer





I,
Terry A. Hart, Chief Financial Officer of Kayne DL 2021, Inc. (the “Company”), certify that:



| | 1. | I
                                            have reviewed this Annual Report on Form 10-K of the Company;
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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
                                                                                                                                                                                                the 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 Company’s most recent fiscal quarter (the Company’s
                                            fourth fiscal quarter in the case of an annual report) that has materially affected, or is
                                            reasonably likely to materially affect, the Company’s internal control over financial
                                            reporting; and
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| | 5. | The
                                            Company’s other certifying officer 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 the Company’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 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:
    March 10, 2022 | By: | /s/
    Terry A. Hart        
|------------------------ | --- | -----------------------------
|                         |     | Terry A. Hart                
|                         |     | Chief Financial Officer      
|                         |     | (Principal Financial Officer)