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We consent to the incorporation by reference in this Registration Statement on Form S-8 of Origin Bancorp, Inc. (the Company) of our report dated March 2, 2021, on our audits of the consolidated financial statements of the Company as of December 31, 2020 and 2019, and for each of the years in the three-year period ended December 31, 2020, which report is included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020. We also consent to the incorporation by reference of our report dated March 2, 2021, on our audit of the internal control over financial reporting of the Company as of December 31, 2020, which report is included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020.