Exhibit 23.1

KPMG LLP

Suite 1400

55 Second Street

San Francisco, CA 94105

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (Nos. 333-278119 and 333-279525) on Form S-8 of our report dated February 12, 2025, with respect to the consolidated financial statements of Reddit, Inc..

/s/ KPMG LLP

San Francisco, California

February 12, 2025

KPMG LLP, a Delaware limited liability partnership and a member firm of the KPMG global organization of independent member firms affiliated with KPMG International Limited, a private English company limited by guarantee.