Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of Larimar Therapeutics, Inc. of our report dated March 5, 2020, relating to the financial statements of Zafgen, Inc., which appears in Zafgen, Inc’s Annual Report on Form 10-K for the year ended December 31, 2019. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Boston, Massachusetts
June 26, 2020