United States securities and exchange commission logo June 24, 2020 Horacio D. Rozanski President and Chief Executive Officer Booz Allen Hamilton Holding Corp 8283 Greensboro Drive McLean, Virginia 22102 Re: Booz Allen Hamilton Holding Corp Preliminary Proxy Statement on Schedule 14A Filed June 8, 2020 File No. 001-34972 Dear Mr. Rozanski: 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 cc: Matthew E. Kaplan