EXHIBIT 23.2

Consent of Independent Auditor
We hereby consent to the incorporation by reference in Amendment No. 1 to this registration statement on Form F-3 of Aeterna Zentaris Inc. of our report dated March 15, 2017 relating to the financial statements of Aeterna Zentaris Inc., which appears in Aeterna Zentaris Inc.’s Annual Report on Form 20-F for the year ended December 31, 2016. We also consent to the reference to us under the heading “Experts” in such registration statement, as amended.

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Québec, Quebec, Canada | |
April 13, 2017 | |
(1) CPA auditor, CA, public accountancy permit No. A121191
PricewaterhouseCoopers LLP/s.r.l./s.e.n.c.r.l.
Place de la Cité, Tour Cominar, 2640 Laurier Boulevard, Suite 1700, Québec, Quebec, Canada G1V 5C2
T: +1 418 522-7001, F: +1 418 522-5663, www.pwc.com/ca
“PwC” refers to PricewaterhouseCoopers LLP/s.r.l./s.e.n.c.r.l., an Ontario limited liability partnership.