Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Neon Therapeutics, Inc. of our report dated March 11, 2019 relating to the financial statements,which appears in Neon Therapeutics, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2018.

/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts

March 11, 2019