United States securities and exchange commission logo December 21, 2023 Bryan R. McKeag Chief Financial Officer Heartland Financial USA, Inc. 1800 Larimer Street Suite 1800 Denver, Colorado 80202 Re: Heartland Financial USA, Inc. Form 10-Q for Quarterly Period Ended June 30, 2023 File No. 001-15393 Dear Bryan R. McKeag: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Finance