Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements on FormS-3 (No.333-221338) and FormsS-8 (No.333-55346,No. 333-82422,No. 333-164441,No. 333-192673,No. 333-198455 andNo. 333-204282)of ViacomCBS Inc. (formerly known as CBS Corporation) of our report datedNovember 14, 2019 relating to the financial statements and financial statement schedule and the effectiveness of internal control over financial reporting of Viacom Inc., which is incorporated by reference in this Current Report on Form8-K.
/s/ PricewaterhouseCoopers LLP
New York, New York
December 4, 2019