Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Registration Statement on Form S-1 of 4D Molecular Therapeutics, Inc. of our report dated August 2, 2019 relating to the financial statements of 4D Molecular Therapeutics, Inc., which appears in this Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

 

/s/ PricewaterhouseCoopers LLP

San Jose, California

September 30, 2019