United States securities and exchange commission logo February 13, 2023 Todd Fruchterman Chief Executive Officer Butterfly Network, Inc. 1600 District Avenue Burlington, Massachusetts 01803 Re: Butterfly Network, Inc. Form 10-K for the Fiscal Year Ended December 31, 2021 Filed February 28, 2022 Response Dated January 27, 2023 File No. 001-39292 Dear Todd Fruchterman : We have reviewed your January 27, 2023 response to our comment letter and have the following comment. In our comment, we may ask you to provide us with information so we may better understand your disclosure. Please respond to this comment within ten business days by providing the requested information or advise us as soon as possible when you will respond. If you do not believe our comment applies to your facts and circumstances, please tell us why in your response. After reviewing your response to the comment, we may have additional comments. Form 10-K for the Fiscal Year Ended December 31, 2021 Management's Discussion and Analysis of Financial Conditions and Results of Operations Non-GAAP Financial Measures , page 73 1. We note your response to the comment in our letter dated January 12, 2023. We continue to believe that your adjustments to exclude the losses on purchase commitments from non- GAAP adjusted gross profit and non-GAAP adjusted EBITDA is inconsistent with Question 100.01 of the Compliance and Disclosure Interpretations on Non-GAAP Financial Measures and Item 10(e) of Regulation S-K. Please confirm to us that you will no longer include these adjustments in any non-GAAP financial measure presented. Todd Fruchterman Butterfly Network, Inc. February 13, 2023 Page 2 You may contact Christie Wong at 202-551-3684 or Julie Sherman, Senior Accountant, at 202-551-3640 if you have any questions. Sincerely, FirstName LastNameTodd Fruchterman Division of Corporation Finance Comapany NameButterfly Network, Inc. Office of Industrial Applications and February 13, 2023 Page 2 Services FirstName LastName