United States securities and exchange commission logo May 19, 2022 Todd Cello Executive Vice President and Chief Financial Officer TransUnion 555 West Adams Chicago, IL 60661 Re: TransUnion Form 10-K for the Year Ended December 31, 2021 Filed February 22, 2022 File No. 001-37470 Dear Mr. Cello: 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 Trade & Services