Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of Landmark Bancorp, Inc. and Subsidiaries of our report dated March 25, 2025 relating to the consolidated financial statements appearing in the Annual Report on Form 10-K of Landmark Bancorp, Inc. for the year ended December 31, 2024, and to the reference to us under the heading “Experts” in the prospectus.
| /s/ Crowe LLP |
Dallas, Texas
December 22, 2025