United States securities and exchange commission logo April 9, 2021 Paul Peter Tak, M.D., Ph.D. Chief Executive Officer and President Candel Therapeutics, Inc. 117 Kendrick St Suite 450 Needham, MA 02494 Re: Candel Therapeutics, Inc. Amendment No. 1 to Draft Registration Statement on Form S-1 Submitted March 31, 2021 CIK No. 0001841387 Dear Dr. Tak: We have reviewed your amended draft registration statement and have the following comments. In some of our comments, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this letter by providing the requested information and either submitting an amended draft registration statement or publicly filing your registration statement on EDGAR. If you do not believe our comments apply to your facts and circumstances or do not believe an amendment is appropriate, please tell us why in your response. After reviewing the information you provide in response to these comments and your amended draft registration statement or filed registration statement, we may have additional comments. Amendment No. 1 to Draft Registration Statement on Form S-1 Capitalization, page 80 1. Please exclude the amount of your cash and cash equivalents from the amount of your total capitalization. Paul Peter Tak, M.D., Ph.D. FirstName LastNamePaul Candel Therapeutics, Inc. Peter Tak, M.D., Ph.D. Comapany April NameCandel Therapeutics, Inc. 9, 2021 April 29, 2021 Page 2 Page FirstName LastName You may contact David Burton at 202-551-3626 or Kate Tillan at 202-551-3604 if you have questions regarding comments on the financial statements and related matters. Please contact David Gessert at 202-551-2326 or Celeste Murphy at 202-551-3257 with any other questions. Sincerely, Division of Corporation Finance Office of Life Sciences cc: Robert E. Puopolo, Esq.