March 24, 2026 Niccolo M. de Masi Chief Executive Officer IonQ, Inc. 4505 Campus Drive College Park, MD 20740 Re: IonQ, Inc. Registration Statement on Form S-4 Filed March 20, 2026 File No. 333-294511 Dear Niccolo M. de Masi: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. 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. Please contact Mitchell Austin at 202-551-3574 or Jan Woo at 202-551-3453 with any questions. Sincerely, Division of Corporation Finance Office of Technology cc: Chelsea N. Darnell