EXHIBIT 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statement (No. 333-234385) on Form S-8 of HBT Financial, Inc. of our report dated March 12, 2021, relating to the consolidated financial statements of HBT Financial, Inc., appearing in this Annual Report on Form 10-K of HBT Financial, Inc. for the year ended December 31, 2020.

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/s/ RSM US LLP

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Chicago, Illinois

March 12, 2021