United States securities and exchange commission logo July 16, 2021 Michael Fleisher Chief Financial Officer Wayfair Inc. 4 Copley Place Boston, MA 02116 Re: Wayfair Inc. Form 10-K for Fiscal Year Ended December 31, 2020 Filed February 25, 2021 Form 8-K Furnished February 25, 2021 File No. 001-36666 Dear Mr. Fleisher: We have completed our review of your filings. 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