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 Liquidia Technologies, Inc. of our report dated March 14, 2018 relating to the financial statements of Liquidia Technologies, 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

Raleigh, North Carolina

June 28, 2018