Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No.333-12257, No. 333-12255, No. 333-107575, No. 333-157786), Form S-3MEF (No. 333-49543) and Form S-8 (No. 333-58135, No. 333-43047, No. 333-31571, No. 333-103528, No. 333-129615, No. 333-152884) of Sinclair Broadcast Group, Inc. of our report dated March 12, 2013 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Baltimore, Maryland

March 12, 2013