Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statement on Form S-3 (No. 333-216814)  and Form S-8 (No. 333-210592) of AveXis, Inc. of our report dated March 16, 2017 relating to the financial statements, which appears in this Form 10‑K.

/s/ PricewaterhouseCoopers LLP

Chicago, Illinois

February 28, 2018