Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (No. 333-265631, No. 333-239085, No. 333-228907 and No. 333-222170) on Form S-8 of our reports dated February 14, 2024, with respect to the consolidated financial statements of Altice USA, Inc. and the effectiveness of internal control over financial reporting.

New York, New York
February 14, 2024