Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated March 9, 2017 relating to the financial statements and financial statement schedule, which appears in Versartis, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2016. We also consent to the reference to us under the heading “Experts “in such Registration Statement. 

/s/ PricewaterhouseCoopers LLP

San Jose, California

August 7, 2017