Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Amendment No. 1 to the Registration Statement on Form S-1 of MPM Holdings Inc. of our reports dated March 10, 2017 and April 14, 2015, except for the change in the composition of reportable segments disclosed in Note 16, as to which the date is June 17, 2015, relating to the consolidated financial statements and financial statement schedules which appear in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Stamford, Connecticut

October 17, 2017